Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7673541 | Colored razor blades | Kenneth James Skrobis, Alfred Porcaro, Eric Liu | 2010-03-09 |
| 7284461 | Colored razor blades | Kenneth James Skrobis, Alfred Porcaro, Eric Liu | 2007-10-23 |
| D426279 | Gun barrel front end retaining head for rapid release mount | Jeffrey Swanson, David A. McMaster | 2000-06-06 |
| 5438787 | Gun storage and rapid removal mount | David A. McMaster | 1995-08-08 |
| 4961207 | Synchronization of digital signals with alternating current | Charles M. Wittmer | 1990-10-02 |