Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485029 | Inflatable sealing device | John A. Schwemin, Michael R. Ryerson | 2002-11-26 |
| 6408871 | Two way pressure relief valve | Michael R. Ryerson | 2002-06-25 |
| 6398579 | Electrical connector assembly | Henry Banas | 2002-06-04 |
| 6386133 | Torpedo tube shutter-pressure release | Michael R. Ryerson | 2002-05-14 |