| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 7 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stavenau Harold L | 11 |
| #2 | Martin Jerry L | 3 |
| #3 | Park Dan M | 2 |
| #4 | Cowden Raymond L | 1 |
| #5 | Armstrong Henry P | 1 |
| #6 | Kaplan Reuben W | 1 |
| #7 | Felton Walter J | 1 |
| #8 | Louis Stavenau Harold | 1 |
| #9 | Anderson William J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3416183A | Roller assembly for a sliding closure | |
| US3258874A | Window closure operator | |
| US3214157A | Closure operator | |
| US3064966A | Window operator | |
| US3064965A | Bar type window operator | |
| US3032330A | Casement window hinge-lock operator mechanism | |
| US2950509A | Awning type window structure | |
| US2824735A | Closure operator improvements | |
| US2977810A | Closure operator | |
| US2775446A | Closure operator | |
| US2491089A | Socket wrench | |
| US2524698A | Pulling tool | |
| CA738877A | Window closure operator | |
| CA800480A | Closure operator | |
| CA632076A | Closure operator | |
| CA584652A | Closure operator | |
| CA733394A | Closure operator | |
| CA700472A | Toggle type window lock | |
| CA584681A | Closure operator improvements |