TEK INDUSTRIES, INC.

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 235
 
  
 
B26F PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING 214
 
  
 
B30B PRESSES IN GENERAL; PRESSES NOT OTHERWISE PROVIDED FOR 121

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8950320 Portable roller pressOct 14, 09Feb 10, 15[B26D, B30B, B26F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5359341 Power supply for sequentially energizing segments of an electroluminescent panel to produce animated displaysExpiredApr 22, 92Oct 25, 94[H05B, G09G]
D348675 Pay type telephone station volume control push-button switchExpiredApr 22, 92Jul 12, 94[]
D348471 Pay type telephone station volume control push-button switchExpiredApr 22, 92Jul 05, 94[]
5321584 Battery and holder assembly for use with a battery operated touch penExpiredJan 19, 93Jun 14, 94[G08C, H01M, H05K]
5315645 Communication apparatus utilizing digital optical signalsExpiredDec 10, 90May 24, 94[H04M, H04B]
4964367 Adhesive applying machineExpiredAug 14, 89Oct 23, 90[B05C]
4862494 Anti-fraud device for use with a coin operated telephone instrumentExpiredNov 22, 88Aug 29, 89[H04M]
4829561 Apparatus for optically coupling a terminal unit to the public telephone network through a pay telephone instrument and the likeExpiredMar 25, 88May 09, 89[H04M]
4773088 Telephone amplifier with switchable gain controlExpiredFeb 18, 86Sep 20, 88[H01M]

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