Kirkpatrick; John D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kirkpatrick; John D..The latest application filed is for "process for lining high pressure pipeline".
- Kirkpatrick; John D. - Calgary Alberta CA
- Kirkpatrick; John D. - Trafford PA
| Patent | Date |
|---|---|
| Process for lining high pressure pipeline Grant 5,306,449 - Brittain , et al. April 26, 1 | 1994-04-26 |
| Process for lining a high pressure pipeline Grant 4,818,314 - Brittain , et al. * April 4, 1 | 1989-04-04 |
| Process for making a cellulated vitreous material Grant 4,198,224 - Kirkpatrick April 15, 1 | 1980-04-15 |
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