| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Grinding or polishing devices | |
| #2 | Unspecified technologies | |
| #3 | Grinding tools | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hutto Marsden C | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US2785512A | Honing machine | |
| US2530615A | Honing method and apparatus | |
| US1692661A | Combined abrasive and carrier | |
| US1740461A | Multiple-cylinder grinder | |
| US1772045A | Cylinder grinder | |
| US1687770A | Method of manufacture of abrasive devices | |
| US1689589A | Grinder | |
| US1667157A | Cylinder grinder | |
| US1610681A | Grinding device | |
| CA280877A | Abrasive device | |
| CA284334A | Cylinder grinder | |
| CA259732A | Cylinder grinder |