Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5325729 | Gas turbine meter | Franklin D. Goodson, Zaki Din Husain, Helmut Zenger, Bob E. Kubin, Charles Robert Allen | 1994-07-05 |
| 4715234 | Self-cleaning and self-lubricating fluid flowmeter | Charles Robert Allen | 1987-12-29 |