Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823598 | Gas metering apparatus for use with small volume, small flow gas source | Clarence W. Carpenter | 1989-04-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823598 | Gas metering apparatus for use with small volume, small flow gas source | Clarence W. Carpenter | 1989-04-25 |