Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6401370 | Fairlead mechanism | Harvey J. Kallenberger | 2002-06-11 |
| 5293788 | Alternate input gear drive | — | 1994-03-15 |
| 4773807 | High-speed automatic storage and retrieval system and apparatus therefor | Charles R. Kroll, John Briggs, Keith O. Jurkowski | 1988-09-27 |