| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Machine tools | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Turning | |
| #3 | Sawing | |
| #4 | Grinding or polishing devices | |
| #5 | Unspecified technologies | |
| #6 | Ignition and extinguishing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Edward Hassig | 6 |
| #2 | Wetmore Charles P | 3 |
| #3 | Johnson Edward D | 1 |
| #4 | Wetmore Charles Pock | 1 |
| #5 | Zempel Edward A | 1 |
| #6 | Clements Willard J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2372552A | Instrument for setting position of a tool for the grinding thereof | |
| US2231469A | Cutting tool | |
| US2253028A | Rotary cutting tool | |
| US2227085A | Cutting tool and anchroage means therefor | |
| US2227084A | Cutting tool | |
| US2096489A | Rotary cutting tool | |
| US2151271A | Method of making a pilot light burner | |
| US1730399A | Reamer | |
| US1474369A | Reamer | |
| US1531891A | Expansible reamer | |
| US1361209A | Reamer | |
| CA215726A | Reamer |