Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5418518 | Animal warning device | John E. Schenken, Charles A. Haas, Jerome Hartmann, C. Austin Greider, Alvadore J. Osborn | 1995-05-23 |
| D353117 | Warning signal for diverting animals away from moving vehicles | John E. Schenken, Charles A. Haas, Jerome Hartmann | 1994-12-06 |