Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5602457 | Photovoltaic solar cell laminated in vehicle windshield | Carl J. Anderson | 1997-02-11 |
| 5558960 | Seasonal use lead acid electrical storage battery | — | 1996-09-24 |
| 4194578 | Raise boring head with retractable gage cutters | — | 1980-03-25 |
| 4186809 | Steep angle raise bit | — | 1980-02-05 |