| 8060978 |
Surface sweeping machine with tilting blower housing |
James C. Crow |
2011-11-22 |
| 7488042 |
Surface sweeping machine with a dump door and chute actuating mechanism |
— |
2009-02-10 |
| 7185953 |
Surface sweeping machine with a dump door and chute actuating mechanism |
— |
2007-03-06 |
| 6161250 |
Dustless regenerative air sweeper |
Joseph Dvorsky |
2000-12-19 |
| 5564147 |
Broom assisted pick-up head |
— |
1996-10-15 |
| 5560065 |
Broom assisted pick-up head |
— |
1996-10-01 |
| 5542148 |
Broom assisted pick-up head |
— |
1996-08-06 |
| 5363533 |
Surface sweeping machine with over-the-cab hopper dumping |
Albert L. Hanel, Kenneth R. Veselka |
1994-11-15 |
| 5337444 |
Surface sweeping machine with over-the-cab hopper dumping |
Albert L. Hanel, Kenneth R. Veselka |
1994-08-16 |
| 5188577 |
Apparatus for total body exercise |
Jack N. Young, Steven R. Young, Franklin Young |
1993-02-23 |
| 5173989 |
Surface sweeping machine with over-the-cab hopper dumping |
Albert L. Hanel, Kenneth R. Veselka |
1992-12-29 |
| 5113548 |
Surface sweeping machine with over-the-cab hopper dumping |
Albert L. Hanel, Kenneth R. Veselka |
1992-05-19 |
| 5072485 |
Surface sweeping machine with over-the-cab hopper dumping |
Albert L. Hanel, Kenneth R. Veselka |
1991-12-17 |
| 4989858 |
Apparatus for exercising both arms and legs |
Dow Young, Marcus B. Sorenson |
1991-02-05 |
| 4773121 |
High speed pick-up head |
— |
1988-09-27 |
| 4660248 |
Pickup truck mounted sweeper |
— |
1987-04-28 |