Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5068074 | Method for making synthetic membranes for a gas meter | — | 1991-11-26 |
| 4935084 | Method of making a gas meter having a synthetic membrane | — | 1990-06-19 |
| 4891979 | Gas meter having a synthetic diaphragm and molded housing | — | 1990-01-09 |
| 4779459 | Gas meter including a synthetic membrane | — | 1988-10-25 |