| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Grinding or polishing devices | |
| #2 | Punching metal | |
| #3 | Unspecified technologies | |
| #4 | Grinding tools | |
| #5 | Finishing textile fabrics | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mulholland David E | 12 |
| #2 | Lawrence Kirk S | 1 |
| #3 | Gustave Fast | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2617170A | Cloth texturing apparatus | |
| US2542557A | Pit raiser | |
| US2418086A | Lens surfacing machine | |
| US2340201A | Glass processing machine | |
| US2334023A | Billet grinding machine | |
| US2334119A | Fluid pressure diaphragm | |
| US2301069A | Polishing machine | |
| US2230163A | Method of and apparatus for removing pits from metal sheets | |
| US2187463A | Polishing machine | |
| US2187462A | Polishing machine | |
| US2106186A | Abrasive sleeve and method of forming the same | |
| CA386674A | Abrasive sleeve |