Helmberger; Josef
Patent Applications and Registrations
Patent applications and USPTO patent grants for Helmberger; Josef.The latest application filed is for "method and equipment for line-by-line recording of color component images on a reproduction carrier".
- Helmberger; Josef - Munich DT
| Patent | Date |
|---|---|
| Method and equipment for line-by-line recording of color component images on a reproduction carrier Grant 4,017,891 - Helmberger , et al. April 12, 1 | 1977-04-12 |
| Method and apparatus for creating color copies of an original by an electrostatic charging process Grant 4,007,489 - Helmberger , et al. February 8, 1 | 1977-02-08 |
| Method and apparatus for correcting pyramidal error in an optical system with a mirror wheel Grant 3,897,132 - Meeussen , et al. July 29, 1 | 1975-07-29 |
| Method And Apparatus For Making Color Prints On Paper Grant 3,780,214 - Bestenreiner , et al. December 18, 1 | 1973-12-18 |
| Method And Apparatus For The Production Of Color Prints On Paper Grant 3,745,235 - Bestenreiner , et al. July 10, 1 | 1973-07-10 |
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