Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9649899 | Trailer hitch alignment guide | Kenneth C. Williams | 2017-05-16 |
| 5683525 | Method for making cargo vessel sidewall having a seamless interior liner | David A. Kemp | 1997-11-04 |
| 5492747 | Cargo vessel sidewall having a seamless interior liner and method for making the same | David A. Kemp | 1996-02-20 |