Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8568112 | Reciprocating piston pump with air valve, detent and poppets | Mark L. Bauck, Mark T. Weinberger, David M. Pittman, Michael E. Bloom | 2013-10-29 |
| 6168308 | Mechanical proportioner | David M. Pittman, Kenneth E. Lehrke, Vicky J. Peterson, Adam Friedrich | 2001-01-02 |