| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 17 | |
| #2 | United States | 16 | |
| #3 | United Kingdom | 4 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds | |
| #2 | Office furniture | |
| #3 | Furniture for children |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hamilton Earl F | 17 |
| #2 | Hamilton William S | 11 |
| #3 | Hamilton Bertis F | 8 |
| #4 | Heavern James A | 1 |
| #5 | Paulsen Paul L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2928703A | Angle drafting group connection means | |
| US2868601A | Article of furniture | |
| US2943671A | Article of furniture | |
| US2851090A | Chair | |
| US2900013A | Chair or the like | |
| GB774848A | Improvements in or relating to chairs | |
| US2794492A | Folding chair | |
| US2838096A | Chair | |
| US2860692A | Chair | |
| US2807308A | Attaching device | |
| US2886186A | Serving tray and cart | |
| US2855978A | Chair with resiliently supported seat | |
| US2825394A | Chair-back mounting | |
| US2740680A | Leaf-holding means for drop-leaf tables | |
| US2740464A | Chair having revolvable vertically adjustable seat | |
| US2682297A | Furniture construction | |
| GB672479A | Improvements in or relating to bar stool | |
| US2471740A | Metal furniture | |
| CA637996A | Drop leaf table | |
| CA673237A | Chair |