Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4372170 | Flow measuring apparatus | M. Leon Kloostra, Harold E. Straub | 1983-02-08 |
| 4343194 | Flow sensing apparatus | M. Leon Kloostra, Harold E. Straub | 1982-08-10 |
| 4251027 | Variable volume control assembly | M. Leon Kloostra, Harold E. Straub | 1981-02-17 |
| 4196849 | Variable volume control assembly | M. Leon Kloostra, Harold E. Straub | 1980-04-08 |