| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 29 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Joseph Martin | 27 |
| #2 | Martin Joseph | 3 |
| #3 | Schwartzman Jacub | 1 |
| #4 | Irving Weisglass | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2359958A | Mattress | |
| US2332957A | Mattress | |
| US2335870A | Couch bed | |
| US2264090A | Couch bed | |
| US2278458A | Combination seat and interchangeable back | |
| US2257754A | Couch | |
| US2216537A | Mattress | |
| US2210421A | Couch bed | |
| US2257753A | Couch | |
| US2233893A | Couch bed | |
| US2085719A | Couch bed | |
| US2139128A | Tufting button | |
| US2125940A | Couch bed | |
| US2143355A | Couch bed | |
| US2161514A | Studio couch | |
| US2069258A | Couch bed | |
| US2095997A | Combination single, double, and twin couch beds | |
| US2118050A | Couch bed | |
| US2051959A | Bed couch | |
| US2001882A | Edge supporting device |