DESIGNTECH INTERNATIONAL, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
E05B LOCKS; ACCESSORIES THEREFOR; HANDCUFFS149
 
 
 
H04M TELEPHONIC COMMUNICATION 1162

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6078256 Dead-bolt lock monitoring unit and systemAug 24, 94Jun 20, 00[E05B]
5465297 Telephone line seizure circuitMar 11, 94Nov 07, 95[H04M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2006/0028,194 ELECTRONIC VOLTAGE POLARITY TEST PROBEAbandonedAug 09, 04Feb 09, 06[G01R]
5422947 Telephone in-use indicatorExpiredFeb 23, 93Jun 06, 95[H04M]
D350493 Signal light to indicate the usage of a telephone in the homeExpiredFeb 23, 94Sep 13, 94[]
5257033 Transmitter with a reduction of power of signals transmitted at harmonicsExpiredApr 16, 91Oct 26, 93[H01Q]
5197316 Latchable retainer for keys and the likeExpiredNov 14, 90Mar 30, 93[A44B]
5041782 Microstrip probeExpiredSep 20, 89Aug 20, 91[H01P, G01R]
D292585 Radio transmitterExpiredMay 20, 85Nov 03, 87[]

Top Inventors for This Owner

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