Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4250919 | Constant flow valve | William C. Branch, Robert P. Kidd | 1981-02-17 | $57,000 |
| 4230147 | Constant flow valve | William C. Branch, Robert P. Kidd | 1980-10-28 | $76,000 |
| 4226344 | Constant flow valve actuator | William C. Branch, Robert P. Kidd | 1980-10-07 | $79,000 |