Assignee
DASY INT SA
4 granted patents·420 citations·filing 1976–1978
Top patents by PatentIndex Score
4 records- 0195US4218674AMethod and a system for verifying authenticity safe against forgeryDASY INT SA·Filed 1978·Granted Aug 19, 1980·278 cites·6 claims
- 0294US4114032ADocuments having fibers which are coated with a magnetic or magnetizable material embedded therein and an apparatus for checking the authenticity of the documentsDASY INT SA·Filed 1976·Granted Sep 12, 1978·120 cites·4 claims
- 0356US4161624AHands-free telephone with cascaded attenuatorsDASY INT SA·Filed 1977·Granted Jul 17, 1979·8 cites·11 claims
- 0445US4165445ACircuit for preventing acoustic feedbackDASY INT SA·Filed 1977·Granted Aug 21, 1979·14 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when DASY INT SA files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →