Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6168209 | Keyed cap for gas outlet valve | Robert L. Cope, III, Roger Davis, David D. Seem, James D. Gomez, Phillip B. Plyler +4 more | 2001-01-02 |
| 5884661 | Swiveling fluid connector | Phillip B. Plyler | 1999-03-23 |
| 5352032 | Adjustable cabinet system | — | 1994-10-04 |
| 5036596 | Machine tool pre-setting tool | Christopher J. Gyoury | 1991-08-06 |
| 4925357 | Load transport dolly | William S. Spamer | 1990-05-15 |
| 4295775 | Unloader for hopper cars and method | William P. Cottrill | 1981-10-20 |