Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8284023 | Internal locking apparatus and methods for making and using same | John Reid Eastman | 2012-10-09 |
| 7950748 | Internal hydraulic locking apparatus and methods for making and using same | John Reid Eastman, Mark A. Miller | 2011-05-31 |