Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4618173 | Swivel coupling element | Jack E. Miller | 1986-10-21 |
| 4530526 | Swivel coupling element | Jack E. Miller | 1985-07-23 |
| 4381871 | Swivel coupling element | Jack E. Miller | 1983-05-03 |