- Patent
- 100020: Dining-Table, Ironing-Table, and Quilting-Frame Combined
- Issue date
- 1870-02-22
- Place
- Albany, New York
- Record strength
- A- patent-record strength for invention, date, and Albany residence; later biography should stay source-separated.
- Identity evidence
- Publishable as a patent-record profile with a biography caveat.
- Why this record matters
- Elkins shows domestic labor-saving design entering the Black patent-memory sequence before later famous industrial profiles.
What the public record supports
- U.S. Patent No. 100020, issued February 22, 1870.
- Patent text names Thomas Elkins of Albany, New York.
What remains open
- Later public-memory claims need separate source review.
- Commercial use and manufacturing history remain open.