Assignee
TECH SYSTEMS CORP
US·8 granted patents·1,481 citations·filing 1974–2000
Top patents by PatentIndex Score
8 records- 0198US6423900B1Active cover plate for an electrical outletTECH SYSTEMS CORP·Filed 2000·Granted Jul 23, 2002·219 cites·16 claims
- 0297US6087588AActive cover plate for an electrical outletTECH SYSTEMS CORP·Filed 1998·Granted Jul 11, 2000·186 cites·10 claims
- 0395US5067713ACoded playing cards and apparatus for dealing a set of cardsTECH SYSTEMS CORP·Filed 1990·Granted Nov 26, 1991·441 cites·9 claims
- 0493US5259907AMethod of making coded playing cards having machine-readable codingTECH SYSTEMS CORP·Filed 1992·Granted Nov 9, 1993·304 cites·17 claims
- 0588US5169155ACoded playing cards and other standardized documentsTECH SYSTEMS CORP·Filed 1991·Granted Dec 8, 1992·138 cites·26 claims
- 0685US5522623ACoded identification card and other standardized documentsTECH SYSTEMS CORP·Filed 1995·Granted Jun 4, 1996·175 cites·9 claims
- 0761US3940718AFlexible wave guide and method for making sameTECH SYSTEMS CORP·Filed 1974·Granted Feb 24, 1976·16 cites·6 claims
- 0824US3946343ABendable wave guideTECH SYSTEMS CORP·Filed 1974·Granted Mar 23, 1976·2 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →