Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4519259 | Vortex shedding fluid flowmeter | Gillies D. Pitt, Roger James Williamson, David N. Batchelder | 1985-05-28 |
| 4485679 | Fluid flowmeter | Gillies D. Pitt, Roger James Williamson, David N. Batchelder | 1984-12-04 |