Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5033519 | Storage tank flow control valve | Rick E. Puffer, Leo J. LeBlanc, Elmer P. Klop | 1991-07-23 |
| 5010915 | Two stage automatic shut off valve | Bruce Johnson | 1991-04-30 |
| 4195969 | Vacuum cleaner | — | 1980-04-01 |