Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4486114 | Interchangeable component identification system | Michael D. Ray, Richard L. Hansher, Paul Daugherty | 1984-12-04 |
| 4467273 | Interchangeable component identification system | Michael D. Ray | 1984-08-21 |
| 4244227 | Interchangeable component identification system | Michael D. Ray, Richard L. Hansher, Paul Daugherty | 1981-01-13 |
| 4241891 | Overhead arm assembly | — | 1980-12-30 |
| 4196630 | Overhead arm assembly | — | 1980-04-08 |