Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5065345 | Interactive audiovisual control mechanism | Lance Knowles | 1991-11-12 |
| D286203 | Combined head lamp and mounting bracket for fireman's helmet | Stephen Crane, Howard A. Crane, Timothy J. Crane | 1986-10-14 |
| D278319 | Reflector for dash mounted vehicle emergency flashing light or the like | Stephen Crane | 1985-04-09 |