Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4967594 | Sheathing and venting of resistance-tape level sensor | Albert D. Ehrenfried, John A. Gunnarson, William E. Pierce | 1990-11-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4967594 | Sheathing and venting of resistance-tape level sensor | Albert D. Ehrenfried, John A. Gunnarson, William E. Pierce | 1990-11-06 |