Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8292478 | Mounting foot for light bar | Joseph F. Bader, Sigmund Urbanski, Charles Meyer, Robert A. Czajkowski | 2012-10-23 |
| 7244053 | Mounting foot for light bar | Joseph F. Bader, Sigmund Urbanski, Charles Meyer, Robert A. Czajkowski | 2007-07-17 |
| 4580481 | Magnetic pickup for stringed instruments | Helmut F. K. Schaller | 1986-04-08 |