Assignee

FRUTIGER PETER

2 granted patents·17 citations·filing 1977–1977

Technology mixH04K1 H04L1

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2 records

0164US4149035AMethod and apparatus for enciphering and deciphering audio informationFRUTIGER PETER·Filed 1977·Granted Apr 10, 1979·17 cites·8 claims
0225US4162762AData processing machine, especially ciphering equipmentFRUTIGER PETER·Filed 1977·Granted Jul 31, 1979·0 cites·7 claims

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