| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | United Kingdom | 2 | |
| #3 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Grinding tools | |
| #2 | Grinding or polishing devices | |
| #3 | Sawing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bruner George W | 2 |
| #2 | Anton Vonnegut | 2 |
| #3 | Shaffer Joseph C | 1 |
| #4 | Bradley Ernest H | 1 |
| #5 | Schulte John O | 1 |
| #6 | Lindenborg Eric R | 1 |
| #7 | Vonnegut Anton | 1 |
| #8 | De Haven Oliver S | 1 |
| #9 | Newton Herman S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2714790A | Flexible abrasive rope | |
| US2601499A | Abrasive head | |
| US2600613A | Abrasive head | |
| US2561589A | Swing sander | |
| GB663707A | Abrasive device | |
| GB663623A | A rotary abrasive tool | |
| US2432731A | Expanding head for abrasives | |
| US2410536A | Expansible wheel | |
| US2430099A | Abrasive head | |
| US2415308A | Centrifugally expansible abrasive wheel | |
| US2194577A | Sander | |
| CA400156A | Sander |