Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5721383 | Flow meter system and method of using same | Mark Terrance Franklin, John Elwood McGregor, III, Robert Wayne Beyer | 1998-02-24 |
| 4893544 | Flash suppressor | Mark Robert Hawley | 1990-01-16 |
| 4664014 | Flash suppressor | Mark Robert Hawley | 1987-05-12 |