Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5619821 | Easily-installed quick-release locking modular security grill with optionally affixed penetration-resistant rotating fins serving as louvers and as a security shield | Charles St. George, Craig Adams, Donald Gonrowski | 1997-04-15 |
| 5023996 | Multiple blade handsaw | Robert Pape, Frank Burgel, Chip Adams | 1991-06-18 |