Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4413361 | Deck and fence structure for above ground swimming pools | Donald A. Wolf, Charles Sven Johnson | 1983-11-08 |
| 4219423 | Air-injection cleaning system for liquid filters | — | 1980-08-26 |
| 4209855 | Apparatus for controlling the transfer of seismic data from _magnetic tape storage to a photographic recording | — | 1980-06-24 |
| 4193058 | System for displaying seismic data on a cathode-ray tube | — | 1980-03-11 |