Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5395052 | High-pressure cleaning device with pump housing/spray gun connection | Josef Schneider, Wolfgang Nieuwkamp | 1995-03-07 |
| 4873631 | Point of sale automatic back-up system and method | Lawrence A. Hislop | 1989-10-10 |
| 4644488 | Pipeline active filter utilizing a booth type multiplier | — | 1987-02-17 |
| 4214226 | System for plotting subsoil structure and method therefor | Keshavaiyengar Y. Narasimhan, Shakkottai P. Parthasarathy | 1980-07-22 |