Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5873284 | Control for portable power tool | Robert Stegall, Frank R. Potucek | 1999-02-23 |
| 5867910 | Control for portable power tool | Robert Stegall, Lawrence N. Will | 1999-02-09 |
| 5177870 | Shower shaver | Donald N. Jursich, Donald J. Kempiak, Jefferson L. Gentry | 1993-01-12 |
| 5080091 | Air bubbling mats for therapeutically agitating bath water | Samuel F. Peterson, Ronald O. Hilger | 1992-01-14 |
| 5031255 | Whirlpool | Ronald O. Hilger, Donald J. Kempiak | 1991-07-16 |
| 4984583 | Air bubbling mats for therapeutically agitating bath water | Samuel F. Peterson, Ronald O. Hilger | 1991-01-15 |
| 4671300 | Smokeless ashtray | Clifford E. Grube | 1987-06-09 |
| 4580582 | Smokeless ashtray | Clifford E. Grube | 1986-04-08 |