Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6474022 | Multi-purpose tarpaulin system | Paul B. Double, Jerry N. Ehlenfeldt, Leslie J Davidshofer | 2002-11-05 |
| 4897970 | Method of covering and securing material | Paul B. Double, Frederick W. Orr | 1990-02-06 |