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Mohandessin, EG

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Patents Grantslast 30 patents

Information Patent Grant
Entry of alphabetical characters into a telephone system using a co...
- Patent number 5,392,338
- Issue date Feb 21, 1995
- Danish International, Inc.
- Adel Danish
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Telephone keypad matrix
- Patent number 5,339,358
- Issue date Aug 16, 1994
- Danish International, Inc.
- Adel Danish
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Telephone keypad matrix
- Patent number 5,117,455
- Issue date May 26, 1992
- Danish International, Inc.
- Adel Danish
- G06 - COMPUTING CALCULATING COUNTING