Application of a magnetisable sound recording stripe on a film

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Patents Grantslast 30 patents

Information Patent Grant
Recording tape applicator
- Patent number 4,090,003
- Issue date May 16, 1978
- Tapecon, Inc.
- Robert B. Pierson
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Film striping apparatus
- Patent number 4,002,142
- Issue date Jan 11, 1977
- Dietzgen Corporation
- Dean H. Putnam
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
3440775
- Patent number 3,440,775
- Issue date Apr 29, 1969
- B24 - GRINDING POLISHING