Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6108950 | Self-adjusting tooth/adapter connection system for material displacement apparatus | Wesley E. Martin | 2000-08-29 |
| 6041529 | Bolt-on wear runner assembly for material handling/displacement apparatus | — | 2000-03-28 |
| 5718070 | Self-adjusting tooth/adapter connection system for material displacement apparatus | — | 1998-02-17 |
| 5713145 | Wear resistant excavating apparatus | — | 1998-02-03 |
| 5564206 | Self-adjusting tooth/adapter connection system for material displacement apparatus | — | 1996-10-15 |
| 5533730 | Adjustable golf putter | — | 1996-07-09 |
| D365577 | Penetrating shovel tooth | — | 1995-12-26 |
| D365109 | Mining shovel tooth | Howard W. Robinson, Wesley E. Martin | 1995-12-12 |
| D363074 | Penetrating shovel tooth | — | 1995-10-10 |
| 5394629 | Side-locking flex pin connector for excavation apparatus | Howard W. Robinson | 1995-03-07 |
| 5331754 | Resilient, ratcheted wedge and spool retaining structure for an excavation tooth | — | 1994-07-26 |
| 5311681 | Retaining mechanism | Howard W. Robinson, Darrell L. Carver | 1994-05-17 |