WK

William C. Knoll

GP Gte Products: 9 patents #73 of 928Top 8%
GL Gte Sylvania Limited: 2 patents #5 of 98Top 6%
QO Qortek: 2 patents #7 of 24Top 30%
📍 Turbotville, PA: #1 of 8 inventorsTop 15%
🗺 Pennsylvania: #5,397 of 74,527 inventorsTop 8%
Overall (All Time): #355,425 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
7202649 High frequency switch circuit Ross Bird, John M. Staron 2007-04-10
7170321 Gate drive circuit with negative offset Ross Bird, John M. Staron 2007-01-30
5115160 Easily encodable surface acoustic wave (SAW) security devices James R. McColl, James O. Lawson 1992-05-19
4980680 Coded surface acoustical wave (saw) motor vehicle security device James R. McColl 1990-12-25
4931664 Controller for coded surface acoustical wave (SAW) security system 1990-06-05
4802859 Electrical connector Thomas E. Gouldy, Ernest R. Ritter, deceased, Thomas M. Lynch, Ronald E. Steffey, Donald R. White +1 more 1989-02-07
4532456 Output circuit for an electronic ballast system David L. Bay 1985-07-30
4525649 Drive scheme for a plurality of flourescent lamps David L. Bay 1985-06-25
4396866 Lamp filament drive scheme providing for control of filament voltages by use of lamp current in solid state ballasts David L. Bay 1983-08-02
4392085 Direct drive ballast with delayed starting circuit David L. Bay 1983-07-05
4353009 Dimming circuit for an electronic ballast 1982-10-05
4353010 Transistor drive scheme for fluorscent lamp ballast David L. Bay 1982-10-05
4199710 Ballast circuit for high intensity discharge (HID) lamps 1980-04-22
4188660 Direct drive ballast circuit 1980-02-12