Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4586195 | Microphone range finder | Martin DeGeorge, Hartwig Ruell | 1986-04-29 |
| 4492646 | Liquid dishwashing detergent containing anionic surfactant, suds stabilizer and highly ethoxylated nonionic drainage promotor | — | 1985-01-08 |