Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5072648 | Control system for a fluid operated jack | Darren L. Krahn | 1991-12-17 |
| 5014811 | Battery retaining system | Terence E. Valencic | 1991-05-14 |
| 4950118 | System for loading and unloading trailers using automatic guided vehicles | William R. Mueller, Richard A. Nestoff | 1990-08-21 |
| 4944357 | Power transferring arrangement | Paul D. Grohsmeyer | 1990-07-31 |
| 4934478 | Contact sensing apparatus and method | Grant C. Melocik | 1990-06-19 |
| 4918607 | Vehicle guidance system | — | 1990-04-17 |
| 4906159 | Freely positionable load carrying attachment for an automatic guided vehicle | Joseph F. Sabo, Andrew P. Blau | 1990-03-06 |
| 4903054 | Obstacle detection system | — | 1990-02-20 |
| D295105 | Automatic guided vehicle | Ian Dawson, Bernard E. Erlacher, Robert D. Higgins, Robert McNutt | 1988-04-05 |
| 4730690 | Object sensing arrangement | Robert McNutt | 1988-03-15 |
| 4635439 | Fluid operated system control | — | 1987-01-13 |
| 4567757 | Apparatus and method for testing vehicle brakes | Grant C. Melocik | 1986-02-04 |
| 4564085 | Controlling arrangement | Grant C. Melocik | 1986-01-14 |
| 4531615 | High-visibility mast assembly for lift trucks | — | 1985-07-30 |
| 4520986 | Suspended seat assembly | Lawrence A. Liljequist, Richard A. Schwehr | 1985-06-04 |
| 4496896 | Vehicle battery charging apparatus | Grant C. Melocik | 1985-01-29 |
| 4362351 | Terminal assembly | — | 1982-12-07 |
| 4238008 | Control valve linkage | Robert D. Higgins | 1980-12-09 |
| 4213510 | Article retention device | — | 1980-07-22 |
| 4184333 | Fluid power system | James G. Blaha, Grant C. Melocik | 1980-01-22 |