Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302397 | Pitot tube type flow measurement device with a crank-operated insert/retract mechanism | David R. Mesnard | 1989-07-25 |
| 4717159 | Method and apparatus for seating and sealing a pitot tube type flow meter in a pipe | Norman A. Alston | 1988-01-05 |
| 4645242 | High pressure mounting with positive lock | Darrel Coleman, Donald R. Verhaagen | 1987-02-24 |
| 4633713 | Insert/retract mechanism for flow measurement probes | David R. Mesnard | 1987-01-06 |