Bruce Goldhagen

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Newtown Square, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Universal messaging service using single voice grade telephone line...
- Patent number 5,633,916
- Issue date May 27, 1997
- Unisys Corporation
- Bruce Goldhagen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone network application platform for supporting facsimile app...
- Patent number 5,323,450
- Issue date Jun 21, 1994
- Unisys Corporation
- Bruce Goldhagen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE