| 8205681 |
Aeration core processor |
Gaylord M. Pahl, Jack R. Gust, David J. Scherbring |
2012-06-26 |
| 6038989 |
Turf injector with ground slitting knives |
David J. Scherbring |
2000-03-21 |
| 5322418 |
High pressure liquid pump apparatus and pumping method |
— |
1994-06-21 |
| 5207168 |
Method and apparatus for treating turf |
— |
1993-05-04 |
| 5154241 |
Sand trap maintenance machine |
David J. Scherbring |
1992-10-13 |
| 5119744 |
Method and apparatus for treating turf |
— |
1992-06-09 |
| 5101745 |
Method and apparatus for soil cultivation by high pressure injection of fluids |
Dean A. Podevels, Dana R. Lonn, David J. Scherbring, John M. Beattie, Charles C. Holley +1 more |
1992-04-07 |
| 4694528 |
Convertible vacuum-blower |
Wilbur J. Hampel, Edward A. Rogers |
1987-09-22 |
| 4374465 |
Attachment for rotary lawn mower |
— |
1983-02-22 |
| 4335567 |
Bagging filament mower |
— |
1982-06-22 |
| 4325195 |
Snow thrower |
— |
1982-04-20 |
| 4293041 |
Power cultivator with debris excluding barrier and scraper |
Ronald J. Holmstadt |
1981-10-06 |
| 4282653 |
Cutting element for vegetation line trimmers |
Henry B. Tillotson |
1981-08-11 |
| 4280276 |
Reciprocating cutter |
Thomas F. Kruzel |
1981-07-28 |
| 4250695 |
Powered lawn care and cultivating implement |
Henry B. Tillotson |
1981-02-17 |
| 4235068 |
Filament mower |
— |
1980-11-25 |
| 4227280 |
Vacuum/blower attachment for filament trimmer |
— |
1980-10-14 |