Handford; Reginald G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Handford; Reginald G..The latest application filed is for "underground boring and pipe installation".
- Handford; Reginald G. - Calgary CA
| Patent | Date |
|---|---|
| Underground boring and pipe installation Grant 6,109,831 - Handford August 29, 2 | 2000-08-29 |
| Trenchless pipeline replacement Grant 5,785,458 - Handford July 28, 1 | 1998-07-28 |
| Trenchless pipeline replacement Grant 5,205,671 - Handford April 27, 1 | 1993-04-27 |
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