| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 25 | |
| #2 | Canada | 4 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Medical technology | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Hand carts | |
| #2 | Operating tables | |
| #3 | Unspecified technologies | |
| #4 | Vehicle wheels | |
| #5 | Cycles | |
| #6 | Office furniture | |
| #7 | Unspecified technologies | |
| #8 | Vehicle brake control systems | |
| #9 | Domestic washing | |
| #10 | Installations for use in connection with aircrafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roe William C | 9 |
| #2 | Emary Robert J | 5 |
| #3 | Carlson Bernard E | 4 |
| #4 | Roe Mayo E | 3 |
| #5 | Huffman Levi D | 2 |
| #6 | Johnson Wilfred G | 2 |
| #7 | Pehrsson Sven J | 1 |
| #8 | Delon Edwin | 1 |
| #9 | Theodore Fields | 1 |
| #10 | Hagan Robert N | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3360082A | Brake assembly | |
| US3213483A | Caster bearing | |
| US3021111A | Undercarriage for a sound suppressor | |
| US3027891A | Cardiac indicator | |
| US2921771A | Pallet entry device | |
| US2792876A | Reclinable chair construction | |
| US2980106A | Incubator | |
| US2793681A | Collapsible wheel chair | |
| US2789648A | Power operated material handling trucks | |
| GB758314A | Improvements in cushioned caster | |
| US2669423A | Hydraulic lift jack | |
| US2685147A | Corner bumper | |
| US2675057A | Collapsible wheel chair | |
| US2593347A | Tricycle drive mechanism and frame therefor | |
| US2651073A | Mop wringer | |
| US2541613A | Barrel truck | |
| US2520375A | Adapter | |
| US2600577A | Up-ender | |
| US2427161A | Invalid chair | |
| US2430737A | Adapter |