| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Electrical machinery and energy | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Belts or cables for driving | |
| #3 | Games | |
| #4 | Special electric heating or lighting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kemper Charles W | 11 |
| #2 | Kemper John T | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2010266A | Game device | |
| US1924438A | Strain clamp | |
| US1950893A | Sectional cable clamp | |
| US1811942A | Cable clamp | |
| US1411730A | Cable clamp | |
| US1366007A | Cable-clamp | |
| US1271912A | Clamp. | |
| US1276930A | Steering-wheel hand-warmer. | |
| CA152416A | Car door hasp | |
| CA226340A | Cable clasp |