Adams; Harold R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Adams; Harold R..The latest application filed is for "valve stem lock".
- Adams; Harold R. - St. Francisville IL
| Patent | Date |
|---|---|
| Valve stem lock Grant 4,269,221 - Adams May 26, 1 | 1981-05-26 |
| Orifice flange clamp Grant 4,268,070 - Adams May 19, 1 | 1981-05-19 |
| Leaking weld repair clamp Grant 4,240,650 - Adams December 23, 1 | 1980-12-23 |
| Packing injector gun Grant 4,201,318 - Adams May 6, 1 | 1980-05-06 |
| Repair Flange Clamp Grant 3,770,301 - Adams November 6, 1 | 1973-11-06 |
| Valve Stem Seal Assembly Grant 3,738,666 - Adams June 12, 1 | 1973-06-12 |
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