| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Electrical machinery and energy | |
| #3 | Environmental technology | |
| #4 | Furniture and games | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Typewriters | |
| #2 | Reduction of greenhouse gas emissions | |
| #3 | Toys | |
| #4 | Batteries | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Harry Bates | 13 |
| #2 | Lee Sweeney Joseph | 2 |
| #3 | Lee Sweeney J | 1 |
| #4 | Bonilla Charles F | 1 |
| #5 | Oswald Alfred E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2166112A | Toy typewriter | |
| US2252652A | Typewriter | |
| US2206624A | Typewriters | |
| US2186048A | Typewriter | |
| US2060719A | Noiseless typewriter | |
| US2157111A | Rechargeable dry cell battery | |
| US2061342A | Toy typewriter | |
| US2060718A | Noiseless typewriter | |
| US2000571A | Battery reconditioning apparatus | |
| US2024622A | Writing machine | |
| US2041736A | Typewriter | |
| US1997206A | Typewriter | |
| US2038073A | Typewriter | |
| US2018482A | Typewriter | |
| US1986244A | Typewriter |