| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | France | 3 | |
| #3 | United States | 3 | |
| #4 | Germany | 2 | |
| #5 | Austria | 1 | |
| #6 | Australia | 1 | |
| #7 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Grinding or polishing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Przygocki Witold C | 4 |
| #2 | Olton Dirck J | 2 |
| #3 | Przygocki Witold Conrad | 1 |
| #4 | Conrad Przygocki Witold | 1 |
| #5 | Conrad Przygocki Withold | 1 |
| #6 | Jospeh Olton Dirck | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3665650A | Abrasive belt control apparatus and method | |
| US3552067A | Abrasive belt detector | |
| US3597881A | Grinder for grinding the faces of edge-supported workpieces |