Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6209682 | Ladder assembly for track-type tractors | Lionel Martin, Steven Swanson | 2001-04-03 |
| 5782269 | Soft seal poppet type check valve | Steven P. Seaney, Rita R. Waller, Randall A. Harlow, Robert A. Lapke, James R. Carlberg +1 more | 1998-07-21 |