Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5513678 | Filling system for compressed gas tanks | Richard M. Schultz, Arthur Koch, Donald F. Kick | 1996-05-07 |
| 5458167 | Filling system for compressed gas tanks | Richard M. Schultz, Arthur Koch, Donald F. Kick | 1995-10-17 |
| 5431203 | Compressed gas tank filling system with improved valve | Richard M. Schultz, Arthur Koch, Joseph A. Lafrenz | 1995-07-11 |
| 5117562 | Radiant energy ink drying device | Robert C. Dulay, Joseph A. Lafrenz, Robert T Seaberg, Jr. | 1992-06-02 |