Patents 1,795show all

  • 533
    H01H - Electric switches
  • 344
    H01C - Resistors
  • 199
    H01L - Semiconductor devices
  • 177
    H05K - Printed circuits
  • 135
    H02H - Emergency protective circuit arrangements
  • 51
    H01R - Line connectors
  • 44
    H01B - Cables
  • 33
    H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems
  • 31
    H05B - Electric heating
  • 29
    H03K - Pulse technique

SEC Filings show all


171
8-K

73
10-Q

22
10-K

Contact Information

Chicago, IL
United States