PR

Patrick S. Roberts

EA Eaton: 1 patents #1,900 of 3,708Top 55%
SP Spartus: 1 patents #25 of 60Top 45%
WH Whirlpool: 1 patents #2,112 of 3,480Top 65%
Overall (All Time): #892,182 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5258654 Computer-checking of the position of a switch whose contacts where oxidized Bay E. Estes, III 1993-11-02
4697930 Transformerless clock circuit with duplex optoelectronic display Leonard Weiss 1987-10-06
4596387 Exercise handles for athletic shoes 1986-06-24
4248121 Pulse generator for producing the harmonic equivalent of a sawtooth wave 1981-02-03
4188848 Digital tone and chord generators 1980-02-19
4186636 Digital chord generation for electronic musical instruments 1980-02-05