Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6363785 | Relative location detection sensor | Karl A. Senghaas, Peter Senghaas, Peter T. Kolonko, Jr., John Gold | 2002-04-02 |
| 5347864 | Liquid level measuring apparatus | Karl A. Senghaas, Peter Senghaas, Jing Wang, Pete T. Kolonko, Jr. | 1994-09-20 |
| 5027284 | Auto-set drink dispenser | Karl A. Senghaas, Peter Senghaas | 1991-06-25 |