Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4726520 | Continuous tube emitter | Richard D. Brown, Mathias Plotkin, Hans D. Christen, Octavian P. Dumitrascu | 1988-02-23 |
| 4498626 | Reaction drive sprinkler | — | 1985-02-12 |
| 4496103 | Reaction drive sprinkler | — | 1985-01-29 |
| 4434937 | Reaction drive sprinkler | — | 1984-03-06 |
| 4379976 | Planocentric gear drive | Edward M. Troup | 1983-04-12 |