Rolles; Rolf
Patent Applications and Registrations
Patent applications and USPTO patent grants for Rolles; Rolf.The latest application filed is for "metal-pigmented plastic powder".
- Rolles; Rolf - New Kensington PA
| Patent | Date |
|---|---|
| Metal-pigmented plastic powder Grant 4,197,351 - Rolles , et al. April 8, 1 | 1980-04-08 |
| Method of producing glossy or frosted powder coatings Grant 4,138,511 - Rolles , et al. February 6, 1 | 1979-02-06 |
| Metal-pigmented plastic powder and process Grant 4,003,872 - Rolles , et al. January 18, 1 | 1977-01-18 |
| Precoating Of Aluminum Can Sheet Grant 3,832,962 - Rolles September 3, 1 | 1974-09-03 |
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