| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 23 | |
| #2 | Canada | 4 | |
| #3 | France | 3 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Grinding tools | |
| #2 | Grinding or polishing devices | |
| #3 | Accessories for machine tools | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stratford Herbert R | 21 |
| #2 | William Stever | 1 |
| #3 | Carlton Richard P | 1 |
| #4 | Mall Arthur W | 1 |
| #5 | Walsh John J | 1 |
| #6 | Bezzenberger Frederick K | 1 |
| #7 | Fay Horace B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2298318A | Surfacing apparatus | |
| US2330208A | Method and apparatus for belt surfacing | |
| US2317650A | Coated abrasive | |
| US2174902A | Waterproof abrasive article | |
| GB490287A | Improvements relating to abrasive discs | |
| US2082916A | Surfacing apparatus | |
| US2015658A | Method of forming abrasive articles | |
| US1954655A | Built-up abrasive element | |
| US1952003A | Abrasive apparatus | |
| US1928800A | Abrasive apparatus | |
| US1862103A | Surfacing apparatus | |
| US1778470A | Surfacing apparatus | |
| US1778471A | Surfacing apparatus | |
| US1779682A | Surfacing apparatus | |
| US1725361A | Surfacing apparatus | |
| US1684748A | Surfacing disk | |
| US1786320A | Surfacing apparatus | |
| US1737099A | Surfacing apparatus | |
| US1687071A | Surfacing disk | |
| US1686898A | Abrasive article |