Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11905944 | Flap valve for diaphragm pump | Robert Beasley, Jim Rockwell, John Wawrowski | 2024-02-20 |
| 9855594 | Threaded rebar manufacturing process and system | Francis W. Griggs, Jerry Thomas Brown, James R. Dollar | 2018-01-02 |
| 9010165 | Threaded rebar manufacturing process and system | Francis W. Griggs, James R. Dollar, Jerry Thomas Brown | 2015-04-21 |