Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10646766 | Golf swing training device | Harold Bowman Blach, Jr., David Lee Stone, Joseph E. Austin, Philip Mark Walker | 2020-05-12 |
| 9283463 | Golf swing training apparatus | David Lee Stone, Joseph E. Austin, Philip Mark Walker | 2016-03-15 |
| 7883327 | Device for producing blown film | Gerd Fahling | 2011-02-08 |
| 6378595 | Low pressure die casting system | — | 2002-04-30 |
| 6257313 | Low pressure die casting system | — | 2001-07-10 |
| 6186219 | Low pressure die casting method and control system | — | 2001-02-13 |