Shan Lee

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Rowland Heights, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Computer and telephone apparatus with user friendly interface and e...
- Patent number 5,572,572
- Issue date Nov 5, 1996
- Transaction Technology, Inc.
- Joseph C. Kawan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Computer and telephone apparatus with user friendly computer interf...
- Patent number 5,195,130
- Issue date Mar 16, 1993
- Transaction Technology, Inc.
- Lawrence D. Weiss
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Computer and telephone apparatus with user friendly computer interf...
- Patent number 5,008,927
- Issue date Apr 16, 1991
- Transaction Technology, Inc.
- Lawrence D. Weiss
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Computer and telephone apparatus with user friendly computer interf...
- Patent number 4,991,199
- Issue date Feb 5, 1991
- Transaction Technology, Inc.
- Dilip J. Parekh
- G06 - COMPUTING CALCULATING COUNTING