| 5488821 |
Mulching mower mechanism |
Ronald E. Rohren, Douglas P. Brown, Richard Lee Forest |
1996-02-06 |
| 5379812 |
Closed granular chemical handling system |
Donald K. Landphair, Richard M. Neysinck, Richard A. DePauw, William R. Lundie, Douglas P. Brown +4 more |
1995-01-10 |
| 5224527 |
Closed granular chemical handling system |
Donald K. Landphair, Richard M. Neyrinck, Richard A. DePauw, William R. Lundie, Douglas P. Brown +4 more |
1993-07-06 |
| 5125438 |
Closed granular chemical handling system |
Donald K. Landphair, Richard M. Neyrinck, Richard A. DePauw, William R. Lundie, Douglas P. Brown +4 more |
1992-06-30 |
| 5060701 |
Closed granular chemical handling system |
Donald K. Landphair, Richard M. Neyrinck, Richard A. DePauw, William R. Lundie, Douglas P. Brown +4 more |
1991-10-29 |
| 5029624 |
Closed granular chemical handling system |
Donald K. Landphair, Richard M. Neyrinck, Richard A. DePauw, William R. Lundie, Douglas P. Brown +4 more |
1991-07-09 |
| 5005597 |
Street cleaning device for collecting leaves and debris |
Maurice A. Popelier, David C. Winter, Dennis L. Marchael, James W. Hall, Ronald E. Rohren |
1991-04-09 |
| 4433532 |
Lawn mower bagging system including air assist |
— |
1984-02-28 |