Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5409166 | Battery-powered particulate spreader | Donald J. Shanklin, Darcy E. Staggs, Roy K. Fujitaki | 1995-04-25 |
| 5119993 | Portable particulate material spreader | Scott W. Demarest, David John Edwards, Donald J. Shanklin | 1992-06-09 |
| D319292 | Sprayer head | Ronald F. Englhard, Donald J. Shanklin | 1991-08-20 |
| 5039016 | Aspiration-type chemical sprayer | Ronald F. Englhard, Donald J. Shanklin | 1991-08-13 |
| D281899 | Garden sprayer | Thomas K. Hale, Moto Shimano | 1985-12-24 |
| D281900 | Lawn sprayer | Thomas K. Hale, Moto Shimano | 1985-12-24 |
| 4527740 | Hose-end aspirator sprayer | William J. Wichman, Roy K. Fujitaki | 1985-07-09 |