| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | Canada | 8 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ferris William S | 22 |
| Publication | Filing date | Title |
|---|---|---|
| US1929110A | Back rest for chairs | |
| US1860089A | Chair | |
| US1788018A | Back-rest arrangement for chairs | |
| US1779933A | Chair | |
| US1800516A | Chair seat and back arrangement | |
| US1719929A | Back rest for chairs | |
| US1717020A | Chair | |
| US1711492A | Metallic chair | |
| US1691053A | Tablet armchair | |
| US1723415A | Chair | |
| US1662458A | Chair | |
| US1678004A | Chair | |
| US1654539A | Chair | |
| US1662457A | Furniture construction | |
| CA317971A | Chair | |
| CA317966A | Back rest for chairs | |
| CA317968A | Chair seat and back | |
| CA317969A | Chair | |
| CA317967A | Back rest for chairs | |
| CA317964A | Metallic chair |