| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Macromolecular chemistry and polymers | |
| #2 | Machines | |
| #3 | Measurement | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Compounding ingredients | |
| #2 | Shaping of plastics | |
| #3 | Radio navigation | |
| #4 | Unspecified technologies | |
| #5 | Weighing | |
| #6 | Unspecified technologies | |
| #7 | Bowling games |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stevens George H | 16 |
| #2 | Oscar Wilsker | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2890401A | Servo system | |
| US1973914A | Vulcanizing rubber | |
| US1831932A | Vulcanizing rubber | |
| US1820403A | Safety valve | |
| US1925707A | Vulcanizing rubber | |
| US1867034A | Vulcanizing rubber | |
| US1856596A | Vulcanizing rubber | |
| US1559197A | Vulcanizing rubber | |
| US1921375A | Vulcanizing rubber | |
| US1559196A | Vulcanizing rubber | |
| US667600A | Molding celluloid. | |
| US650431A | Process of duplicating phonograms. | |
| US666333A | Pool or billiard ball. | |
| CA6578A | Improvements on wheels |