CultureUpIndigenous Black memory, source trails, and public records

Start Here Dispatch Participate Support Search

Browse CultureUp

Patent cluster source review

Baker's List and the Recovery Work Behind Black Patent Memory

An indexable CultureUp context page for Henry E. Baker, George Washington Murray, the Patent Office's missing race data, and why Black patent history has to be reconstructed through source trails.

Cluster thesis

Baker's List and recovery work

Baker's recovery work is not a patent-holder profile. It is a public-record method page: the Patent Office did not collect race data, so Black patent memory has to be reconstructed through lists, testimony, patent rows, identity evidence, and source limits.

Related patent holders

George Washington Murray / 517960 Philip B. Downing / 430118 William A. Lavalette / 208184 John Lee Love / 542419 / 594114

Patent records

Source-led record cards

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

identity_reviewSprint priority 1Not public rankutility patentunder review

208184: Improvement in Printing-Presses

William A. Lavalette / 1878-09-17

Sprint 8 identity-review record. The patent row supports printing-press facts, but identity evidence is required before indexable promotion.

Residence: Washington, District of Columbia
Category: print infrastructure / civic text systems
Source status: under review
Chronology handling: identity_review
Cluster: Print, paper, and recordkeeping
Primary sources: 1 mapped

sprint_candidateSprint priority 5Not public rankutility patentmedium high

430118: Street-Railway Switch

Philip B. Downing / 1890-06-17

Sprint 8 civic-systems candidate. This row supports a street-railway switch; the letter-box/mailbox claim remains source review until exact row reconciliation.

Residence: Boston, Massachusetts
Category: street rail / civic systems
Source status: medium high
Chronology handling: sprint_candidate
Cluster: Street rail, mail, and civic systems
Myth-resistance note: Do not say Downing invented the mailbox from this row. Add letter-box language only after the exact patent row is ledgered.
Primary sources: 2 mapped

backfill_candidateSprint priority 6Not public rankutility patenthigh

517960: Combined Furrow-Opener and Stalk-Knocker

George Washington Murray / 1894-04-10

Sprint 7 backfill record. Murray is both a patent holder and a public-memory actor in the Baker/Murray recovery trail.

Residence: Sumter, South Carolina
Category: agricultural machinery / field preparation
Source status: high
Chronology handling: backfill_candidate
Cluster: Black enterprise and patent commerce
Primary sources: 2 mapped

sprint_candidateSprint priority 6Not public rankutility patentmedium high

542419: Plasterer's Hawk

John Lee Love / 1895-07-09

Sprint 8 public-tools candidate. The plasterer's hawk row supports trade-tool memory and portable work systems.

Residence: source review pending
Category: trade tools / plastering
Source status: medium high
Chronology handling: sprint_candidate
Cluster: Print, paper, and recordkeeping
Primary sources: 1 mapped

sprint_candidateSprint priority 6Not public rankutility patentmedium high

594114: Pencil-Sharpener

John Lee Love / 1897-11-23

Sprint 8 public-tools candidate. The pencil-sharpener row supports desk, office, paperweight, and writing-infrastructure memory.

Residence: Fall River, Massachusetts
Category: desk tools / writing infrastructure
Source status: medium high
Chronology handling: sprint_candidate
Cluster: Print, paper, and recordkeeping
Primary sources: 1 mapped

Proof limits

What this cluster can and cannot prove.

What these records can prove

The recovery context for Black patent history and the limits of federal patent data.
Why Baker's work and Murray's Congressional Record list matter as source trails, not complete census files.
A public method for separating patent rows, identity evidence, chronology, and folklore.

What remains under review

Exact Murray Congressional Record rows and quotation context where not already ledgered.
Whether each Sprint 8 name belongs in indexable Black patent memory after identity review.
Public-rank reconciliation before changing chronological holder order.

Co-inventor and assignee notes

This route is a recovery-work context page, not a Henry E. Baker patent-holder profile.
Baker's List should not be treated as complete or final; it is a source trail for reconstruction.

Open source ledger Submit a correction