| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 6 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Audio-visual technology | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Skates | |
| #2 | Advertising | |
| #3 | Games | |
| #4 | Grinding or polishing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ritter Charles A | 4 |
| #2 | Johnson Charles I | 4 |
| #3 | Jacobson Harvey O | 2 |
| #4 | Lewis Harvey | 2 |
| #5 | Smith Albert W | 1 |
| #6 | Rudolph Notz | 1 |
| #7 | Harvey Lewis | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3279807A | Ice skate construction | |
| US2706117A | Playing card shuffling device | |
| US2282430A | Display device | |
| US1925697A | Guard for skate runners | |
| US1817156A | Ice skate | |
| US1832866A | Toe guard for ice skates | |
| US1930810A | Guard for skate runners | |
| US1412967A | Strap holder | |
| US1362045A | Skate-sharpening stand | |
| CA323530A | Ice skate | |
| CA353592A | Hockey shoe | |
| CA218693A | Skate sharpening stand | |
| CA226833A | Skate strap holder | |
| CA776541A | Ice skate construction | |
| CA323529A | Ice skate |