EINSTRUCTION GTCO HOLDINGS, LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G08C TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS 253
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 1150
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 1155

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5408055 Cordless transducer phase reference and data communication apparatus and method for digitizersOct 25, 93Apr 18, 95[G08C]
5384688 Three-dimensional circuits for digitizer and pen-based computer system pen cursorsMar 08, 93Jan 24, 95[H05K]
5381160 See-through digitizer with clear conductive gridOct 30, 91Jan 10, 95[G09G]
5373118 Half normal frequency regime phase encoding in cordless digitizersOct 25, 93Dec 13, 94[G08C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5525981 Cordless digitizer transducer/cursor status transmission apparatus and methodExpiredJul 29, 94Jun 11, 96[H03M]
D347832 Roll-up digitizerExpiredOct 23, 91Jun 14, 94[]

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