STEINMETZ ELECTRICAL LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C06F MATCHES; MANUFACTURE OF MATCHES15
 
  
 
G11C STATIC STORES 1150
 
  
 
H04B TRANSMISSION 1209

Top Patents (by citation)

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5128557 Clamping circuit for data transfer busExpiredMay 22, 89Jul 07, 92[H03K]
5126592 Circuit having a delay line for use in a data processing system or logic systemExpiredOct 05, 89Jun 30, 92[H03K]
5059835 CMOS circuit with programmable input thresholdExpiredJun 04, 87Oct 22, 91[H03K, H01H]
5053639 Symmetrical clock generator and methodExpiredJun 16, 89Oct 01, 91[H03L, H03K, G01R]
5047671 CMOS to ECL converterExpiredOct 13, 88Sep 10, 91[H03K]
5040053 Cryogenically cooled integrated circuit apparatusExpiredOct 17, 90Aug 13, 91[H01L]
5036226 Signal converting circuitExpiredOct 23, 89Jul 30, 91[H03K]
5028988 Method and apparatus for low temperature integrated circuit chip testing and operationExpiredDec 27, 89Jul 02, 91[H01L]
4992678 High speed computer data transfer systemExpiredDec 15, 88Feb 12, 91[H03K]
4968905 Temperature compensated high speed ECL-to-CMOS logic level translatorExpiredAug 25, 89Nov 06, 90[H03K]
4928206 Foldable printed circuit boardExpiredNov 23, 88May 22, 90[H05K]
4918329 Data transmission systemExpiredJul 25, 88Apr 17, 90[H03K, G06F, G11C]
4888499 Three input exclusive OR-NOR gate circuitExpiredOct 19, 88Dec 19, 89[H03K]
4888501 ECL to CMOS converterExpiredOct 19, 88Dec 19, 89[H03K]
4864488 Single level D.C. output voltage power supplyExpiredJun 27, 88Sep 05, 89[H02M]
4860165 Semiconductor chip carrier packageExpiredApr 27, 88Aug 22, 89[H05K]
4825106 MOS no-leak circuitExpiredApr 08, 87Apr 25, 89[H03K]
4823024 Signal edge trimmer circuitExpiredJun 29, 88Apr 18, 89[H03K]
4800422 Frostless interface supercooled VLSI systemExpiredMay 07, 87Jan 24, 89[H01L]
4780805 Low/high input voltage power supplyExpiredFeb 01, 88Oct 25, 88[H02M]

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