Issued Patents All Time
Showing 51–75 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5108220 | Light weight, fast steering riding trowel | Hugh L. Adams | 1992-04-28 |
| D323510 | Riding trowel | Hugh L. Adams | 1992-01-28 |
| 4798494 | Floating vibrational screed | — | 1989-01-17 |
| 4741643 | Laterally translatable, carriage-mounted, concrete finishing apparatus | — | 1988-05-03 |
| 4710054 | Material spreader system | — | 1987-12-01 |
| 4702640 | Rotating tube concrete finisher | — | 1987-10-27 |
| 4697951 | Material spreader system | — | 1987-10-06 |
| 4685826 | Vibratory screed including a laterally displaceable oscillating strike-off | — | 1987-08-11 |
| 4676690 | Material spreader system | — | 1987-06-30 |
| 4659054 | Lightweight concrete form having a detachable equipment rail | — | 1987-04-21 |
| 4648741 | Vibratory screed including a spreading device for leveling and distributing plastic concrete in front of the screed | — | 1987-03-10 |
| 4630964 | Subgrading machine | — | 1986-12-23 |
| 4577993 | Power trowel with cam-actuated blade pitch adjustment mechanism | Edward F. Randolph | 1986-03-25 |
| 4572704 | High density concrete placing and finishing machine | — | 1986-02-25 |
| 4544346 | Concrete screed with curb forming apparatus | — | 1985-10-01 |
| 4540312 | Material spreader system with column bypass | — | 1985-09-10 |
| 4466757 | Vibratory screed including a spreading device for leveling and distributing plastic concrete in front of the screed | — | 1984-08-21 |
| 4412803 | Adjustable support bracket for concrete finishing equipment | — | 1983-11-01 |
| 4375351 | Triangular truss concrete screed having a blade extension bracket | — | 1983-03-01 |
| 4363618 | Triangular truss screed having an end mounted guide bracket for engaging a wall-mounted support member | — | 1982-12-14 |
| 4349294 | Concrete topping spreader system | — | 1982-09-14 |
| 4349328 | Triangular truss concrete screed having a pan float finisher attachment | — | 1982-09-14 |
| 4316715 | Vibratory concrete screed having an adjustable extension bracket | — | 1982-02-23 |
| 4314773 | High density concrete placer | — | 1982-02-09 |
| 4249327 | Fine grader | — | 1981-02-10 |