Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5992907 | Lock and tilt latch for sliding windows | Cynthia L. Sheldon, Stephen O. Myers, Joseph P. Landherr | 1999-11-30 |
| 5901499 | Double-hung window locking system | Stephen O. Myers, Joseph P. Landherr | 1999-05-11 |
| 5711052 | Adjustable window hinge | — | 1998-01-27 |
| D366409 | Window sash lock handle | — | 1996-01-23 |