Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5515989 | Tank shoe spring and double seal | Jack G. Petrie | 1996-05-14 |
| 5284269 | Space saving double seal | Jack G. Petrie | 1994-02-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5515989 | Tank shoe spring and double seal | Jack G. Petrie | 1996-05-14 |
| 5284269 | Space saving double seal | Jack G. Petrie | 1994-02-08 |