| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 26 | |
| #2 | Canada | 1 | |
| #3 | France | 1 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Furniture and games |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hobbs Willis F | 12 |
| #2 | Anderson John A | 7 |
| #3 | Platt Arthur I | 5 |
| #4 | Keating Arthur E | 2 |
| #5 | Curtis Harry B | 2 |
| #6 | Coyle John H | 1 |
| #7 | Bernhard Thal | 1 |
| #8 | Vargovicsik Julius L | 1 |
| #9 | Gibbs Charles W | 1 |
| #10 | Windsor John F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2871899A | Tool handles | |
| US2123393A | Tool handle | |
| US1888222A | Screw driver | |
| US1782981A | Screw driver | |
| GB342438A | Improvements in or relating to screw drivers | |
| US1830663A | Hatchet, hammer or similar tool | |
| US1781475A | Ice pick | |
| US1738405A | Screw driver | |
| US1741349A | Screw driver | |
| US1809450A | Wrench kit holder | |
| US1711922A | Display stand | |
| US1770899A | Valve-spring lifter | |
| US1695490A | Valve lifter | |
| US1755822A | Screw driver and method of making the same | |
| US1766174A | Parallel-jaw wrench or brace | |
| US1614301A | Compound-lever valve-spring lifter | |
| US1614300A | Valve-lifting tool | |
| US1611672A | Blacking box and brush holder | |
| US1608176A | Valve-lifting tool | |
| US1332726A | Sheet-metal pliers |