Ehrig; Raymond J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ehrig; Raymond J..The latest application filed is for "gasoline tank of tin-free (electroplate chrome-chrome oxide coated) steel coated with a maleic anhydride modified polypropylene".
- Ehrig; Raymond J. - Upper St. Clair Township Allegheny County
- Ehrig; Raymond J. - Pittsburgh PA
| Patent | Date |
|---|---|
| Gasoline tank of tin-free (electroplate chrome-chrome oxide coated) steel coated with a maleic anhydride modified polypropylene Grant 4,824,736 - Ehrig , et al. April 25, 1 | 1989-04-25 |
| Controlled-rheology polypropylene Grant 4,707,524 - Ehrig , et al. November 17, 1 | 1987-11-17 |
| Terpolymer production Grant 4,634,745 - Ehrig , et al. January 6, 1 | 1987-01-06 |
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