Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5264177 | Method of making paint roller bearings | Richard A. Linn, Wade H. Krinke | 1993-11-23 |
| 5261142 | Paint roller frame | Richard A. Linn | 1993-11-16 |
| 5255802 | Merchandise display system | Wade H. Krinke, Richard A. Linn | 1993-10-26 |
| 5210899 | Paint roller bearings | Richard A. Linn, Wade H. Krinke | 1993-05-18 |
| D331337 | Merchandise display stand | Wade H. Krinke, Richard A. Linn | 1992-12-01 |
| 5060794 | Reminder system | Richard A. Linn | 1991-10-29 |
| 5060995 | Self-locking adaptor for converting a pole into a tool | Richard A. Linn | 1991-10-29 |
| 4594816 | Universal hinge-type joint | — | 1986-06-17 |