SD

Sherif Danish

PG Polytec Gmbh: 4 patents #67 of 432Top 20%
Overall (All Time): #669,060 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5392338 Entry of alphabetical characters into a telephone system using a conventional telephone keypad Adel Danish, Kris Walter Kimbrough 1995-02-21
5339358 Telephone keypad matrix Adel Danish, Kris Walter Kimbrough 1994-08-16
5121472 Method for replacing keyboard data using single step process mode John C. Doering, Kris Walter Kimbrough 1992-06-09
4616213 Capacitive multikey keyboard for inputting data into a computer 1986-10-07
4567469 Matrix keyboard Hugh H. Aiken, Jr. 1986-01-28
4555693 Multikey keyboard for inputting data into a computer Adel Danish 1985-11-26
4532497 Matrix keyboard with plurality of sequences of cascaded electrical elements 1985-07-30
4444997 Device for generating electric signals representing the position coordinates of a stylus on a reference surface Adel Danish 1984-04-24