Dasy Inter S.A.

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Geneva, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method and a system for verifying authenticity safe against forgery
- Patent number 4,218,674
- Issue date Aug 19, 1980
- Dasy Inter S.A.
- Jorgen Brosow
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Circuit for preventing acoustic feedback
- Patent number 4,165,445
- Issue date Aug 21, 1979
- Dasy Inter S.A.
- Jorgen Brosow
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hands-free telephone with cascaded attenuators
- Patent number 4,161,624
- Issue date Jul 17, 1979
- Dasy Inter S.A.
- Jorgen Brosow
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Documents having fibers which are coated with a magnetic or magneti...
- Patent number 4,114,032
- Issue date Sep 12, 1978
- Dasy Inter S.A.
- Jorgen Brosow
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER

Patents Applicationslast 30 patents

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