Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5026101 | Push-pull or twist door knob/handle mechanism | Stephen B. Demick | 1991-06-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5026101 | Push-pull or twist door knob/handle mechanism | Stephen B. Demick | 1991-06-25 |