Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7272877 | Adjustment method and apparatus for a boring tool | Richard A. Cardemon | 2007-09-25 |
| 7029209 | Slidable boring tool with fine adjustment | Richard A. Cardemon | 2006-04-18 |
| 6705184 | Adjustment method and apparatus for a boring tool | Richard A. Cardemon | 2004-03-16 |
| 5205323 | Valve and operator therefor | — | 1993-04-27 |
| 5199462 | Valve having rocker valve member and isolation diaphragm | — | 1993-04-06 |
| 4501297 | Rotary valve | — | 1985-02-26 |
| 4451486 | Animal feed supplement having reduced corrosion characteristics | Dennis L. Mansfield, David J. Weinkauff | 1984-05-29 |
| 4353924 | Animal feed supplement having reduced corrosion characteristics | Dennis L. Mansfield, David J. Weinkauff | 1982-10-12 |
| 4341241 | Position indicating valve means | — | 1982-07-27 |