Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D642595 | Snowthrower handle | Chadwick A. Shaffer, Mark Allen Pankratz | 2011-08-02 |
| D642596 | Snowthrower power head | Darrell W. Hinklin, Chadwick A. Shaffer, Kevin D. Docken | 2011-08-02 |
| D636001 | Body unit assembly of a riding lawn mower | Alan Joseph Kummet | 2011-04-12 |
| D631427 | Tire for walk behind power lawn mower | — | 2011-01-25 |
| 7870640 | Convertible blower/vacuum | Darrell W. Hinklin | 2011-01-18 |
| D622291 | Power lawn mower | Chris A. Wadzinski | 2010-08-24 |
| D610167 | Power lawn mower | Chris A. Wadzinski | 2010-02-16 |
| D566491 | Vegetation trimmer | Chadwick A. Shaffer | 2008-04-15 |
| D556395 | Housing for a convertible blower/vacuum | Chadwick A. Shaffer | 2007-11-27 |
| D530726 | Lawn mower tire | — | 2006-10-24 |
| 7088367 | Methods and system for general skinning via hardware accelerators | Charles N. Boyd, Anuj B. Gosalia, David Aronson | 2006-08-08 |
| D524824 | Convertible yard tool | Chadwick A. Shaffer | 2006-07-11 |
| D523805 | Combined wheel face and tire for a lawn mower | — | 2006-06-27 |
| 7064762 | Methods and system for general skinning via hardware accelerators | Charles N. Boyd, Anuj B. Gosalia, David Aronson | 2006-06-20 |
| 7057619 | Methods and system for general skinning via hardware accelerators | Charles N. Boyd, Anuj B. Gosalia, David Aronson | 2006-06-06 |
| D519127 | Housing for convertible yard tool | Chadwick A. Shaffer | 2006-04-18 |
| 6822653 | Methods and system for general skinning via hardware accelerators | Charles N. Boyd, Anuj B. Gosalia, David Aronson | 2004-11-23 |
| D494193 | Two stage snowthrower | Nathan J. Friberg | 2004-08-10 |
| D483236 | Filament trimmer | Chadwick A. Shaffer | 2003-12-09 |
| D461604 | Housing for a blower/vacuum | Steven J. Svoboda, Chadwick A. Shaffer | 2002-08-13 |
| D450226 | Vegetation trimmer | — | 2001-11-13 |
| D434620 | Housing for a hedge trimmer | — | 2000-12-05 |
| D424578 | Lawn mower control handle | Nathan J. Friberg, Anthony N. Pink, Larry W. Schmidt, Philip G. Stalpes | 2000-05-09 |