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Patent cluster source review

Electronics, Audio, and Space Systems in Black Patent Memory

An indexable CultureUp cluster for precision resistors, electret microphones, optical systems, ultraviolet imaging, and X-ray instrumentation.

Cluster thesis

Electronics, audio, and space systems

Modern systems patents often appear inside corporate and federal research settings. CultureUp keeps co-inventors, assignees, and public context visible so Black patent memory does not become solo-credit shorthand.

Related patent holders

Otis F. Boykin / 2891227James E. West / 3118022George R. Carruthers / 3478216Valerie L. Thomas / 4229761George E. Alcorn Jr. / 4472728

Patent records

Source-led record cards

These cards show patent-record facts and review status without promoting final holder rank.

modern_systems_candidateSprint priority 5Not public rankutility patentmedium high

2891227: Wire Type Precision Resistor

Otis F. Boykin / 1959-06-16

Sprint 5 modern systems candidate. The patent row supports resistor technology and assignee facts, not every later pacemaker or commercialization claim.

Residence
Chicago, Illinois
Category
electronics / precision resistor
Source status
medium high
Chronology handling
modern_systems_candidate
Cluster
Electronics, audio, and space systems
Assignee
Chicago Telephone Supply Corp. / corporate assignee
Primary sources
2 mapped
modern_systems_candidateSprint priority 6Not public rankutility patenthigh

3118022: Electroacoustic Transducer

James E. West / 1964-01-14

Sprint 5 modern systems candidate. The page must preserve Gerhard M. Sessler as co-inventor and Bell Telephone Laboratories as assignee.

Residence
Murray Hill, New Jersey
Category
audio electronics / microphone systems
Source status
high
Chronology handling
modern_systems_candidate
Cluster
Electronics, audio, and space systems
Co-inventors
Gerhard M. Sessler
Assignee
Bell Telephone Laboratories / corporate assignee
Primary sources
2 mapped
modern_systems_candidateSprint priority 8Not public rankutility patenthigh

3478216: Image Converter

George R. Carruthers / 1969-11-11

Sprint 5 modern systems candidate. The patent row supports image-converter facts and the federal assignee; Apollo and NASA memory require separate public context sources.

Residence
Washington, District of Columbia
Category
space science / ultraviolet imaging
Source status
high
Chronology handling
modern_systems_candidate
Cluster
Electronics, audio, and space systems
Assignee
United States Department of the Navy / federal assignee
Primary sources
2 mapped
modern_systems_candidateSprint priority 9Not public rankutility patentmedium high

4229761: Illusion Transmitter

Valerie L. Thomas / 1980-10-21

Sprint 5 modern systems candidate. The patent row supports the illusion-transmitter record; later NASA and medical visualization claims need separate sources.

Residence
Silver Spring, Maryland
Category
optical systems / image transmission
Source status
medium high
Chronology handling
modern_systems_candidate
Cluster
Electronics, audio, and space systems
Primary sources
2 mapped
modern_systems_candidateSprint priority 11Not public rankutility patentmedium high

4472728: Imaging X-Ray Spectrometer

George E. Alcorn Jr. / 1984-09-18

Sprint 5 modern systems candidate. The route must preserve Patrick A. Grant, John W. Jackson Jr., and Francis E. Marshall as co-inventors and NASA as assignee.

Residence
Mitchellville, Maryland
Category
space science / X-ray spectroscopy
Source status
medium high
Chronology handling
modern_systems_candidate
Cluster
Electronics, audio, and space systems
Co-inventors
Patrick A. Grant, John W. Jackson Jr., Francis E. Marshall
Assignee
NASA / federal assignee
Primary sources
2 mapped

Proof limits

What this cluster can and cannot prove.

What these records can prove

  • Patent numbers, issue dates, titles, co-inventors, and assignee fields.
  • Electronics, sound, optical, ultraviolet, and X-ray instrumentation categories.
  • The importance of reading team invention and employer assignment visibly.

What remains under review

  • Commercialization, production scale, and adoption.
  • NASA, Navy, Bell Labs, and corporate employment source trails.
  • Public impact claims that require sources beyond patent text.

Co-inventor and assignee notes

  • James E. West's route must preserve Gerhard M. Sessler and Bell Telephone Laboratories.
  • George E. Alcorn Jr.'s route must preserve Patrick A. Grant, John W. Jackson Jr., Francis E. Marshall, and NASA.
  • George R. Carruthers's route names the United States Department of the Navy as federal assignee.
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