Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4484626 | Pneumatic packer | William B. Kerfoot | 1984-11-27 |
| 4391137 | Groundwater flow meter | William B. Kerfoot | 1983-07-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4484626 | Pneumatic packer | William B. Kerfoot | 1984-11-27 |
| 4391137 | Groundwater flow meter | William B. Kerfoot | 1983-07-05 |