Tennant Co
Tennant CoActive Patents
0
Total Holdings
5
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4996468A | Automated guided vehicle | Expired / Lapsed | 1989-03-13 | 1991-02-26 | 15 | Details |
| US4876444A | Protection from extraneous light for light guided vehicle | Expired / Lapsed | 1988-03-07 | 1989-10-24 | 11 | Details |
| US4846297A | Automated guided vehicle | Expired / Lapsed | 1988-06-22 | 1989-07-11 | 22 | Details |
| US4790402A | Automated guided vehicle | Expired / Lapsed | 1987-09-28 | 1988-12-13 | 28 | Details |
| US4709771A | Speed and steering control for a floor maintenance machine | Expired / Lapsed | 1986-04-21 | 1987-12-01 | 12 | Details |