DigiCash Incorporated

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New York, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Partitioned information storage systems with controlled retrieval
- Patent number 5,956,400
- Issue date Sep 21, 1999
- DigiCash Incorporated
- David Chaum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Limited-traceability systems
- Patent number 5,878,140
- Issue date Mar 2, 1999
- DigiCash Incorporated
- David Chaum
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Limited-traceability systems
- Patent number 5,781,631
- Issue date Jul 14, 1998
- DigiCash Incorporated
- David Chaum
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Limited-traceability systems
- Patent number 5,712,913
- Issue date Jan 27, 1998
- DigiCash Incorporated
- David Chaum
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks