| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 17 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Sawing | |
| #2 | Grinding or polishing devices | |
| #3 | Unspecified technologies | |
| #4 | Gearing | |
| #5 | Accessories for machine tools | |
| #6 | Kitchen equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | James Mcewan | 17 |
| Publication | Filing date | Title |
|---|---|---|
| US3103134A | Stop means for chain saw sharpener | |
| US2990654A | Lawn mower sharpener | |
| US3045398A | Lawn mower sharpener | |
| US2972266A | Saw sharpener | |
| US3006222A | Apparatus for sharpening chain saws | |
| US2729120A | Saw jointer | |
| US2775146A | Saw sharpener | |
| US2741143A | Saw sharpener | |
| US2640304A | Belt grinder | |
| US2630721A | Saw sharpener | |
| US2581683A | Variable-speed drive | |
| US2607243A | Saw sharpener | |
| US2625842A | Saw sharpener | |
| US2535439A | Saw sharpener | |
| US2580812A | Saw holder | |
| US2590992A | Saw sharpener | |
| US1677593A | Cooking utensil |