Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5511575 | Apparatus for permitting uninterrupted relief of cargo tank compartment internal pressure and preventing leakage of lading from the cargo tank during dynamic pressure surges | Roy W. Andenmatten | 1996-04-30 |
| 5462078 | Apparatus for eliminating hazardous materials from cargo tank wet line | Roy W. Andenmatten | 1995-10-31 |
| 5377715 | Method for eliminating hazardous materials from cargo tank wet lines | Roy W. Andenmatten | 1995-01-03 |