Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7963086 | Package unbundling system | Dale Porter, Dan C. Porter, Robert J. Schafer | 2011-06-21 |
| 7174695 | De-packaging machine | Dan C. Porter, Robert J. Schafer | 2007-02-13 |
| 5682635 | Bridge and road construction and method of removing worn deck structure | Wilbur E. Tolliver | 1997-11-04 |
| 5634312 | Shear bolt connected structural units | Wilbur E. Tolliver | 1997-06-03 |
| 5537794 | Shear bolt connected structural units | Wilbur E. Tolliver | 1996-07-23 |
| 5487251 | Apparatus and method for reinforcing cast structures | Wilbur E. Tolliver | 1996-01-30 |
| 5388951 | Pipe laying and handling apparatus and method | Wilber E. Tolliver | 1995-02-14 |
| 5323641 | Pipe joint seal tester | Wilbur E. Tolliver | 1994-06-28 |
| 5309691 | Shear connected structural units | Wilbur E. Tolliver | 1994-05-10 |
| 5100095 | Breakaway vehicle accessory mount | Theodore M. Haan, Wayne Vandenbrink, Robert L. Bingle | 1992-03-31 |
| D287530 | Target | — | 1986-12-30 |
| 4583744 | Projectile capturing device and target | Wilbur E. Tolliver | 1986-04-22 |