Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7815516 | Method and apparatus for golf club swing training | Bruce J. P. Mortimer, Gary A. Zets | 2010-10-19 |
| 5515800 | Method for making wearing apparel from envelope portions | — | 1996-05-14 |
| 4474287 | Variable length conveyor assembly | — | 1984-10-02 |
| 4390211 | Continuous miner with cutter assembly attitude adjustment | — | 1983-06-28 |
| 4312540 | Continuous mining apparatus and method | — | 1982-01-26 |