ECS ENHANCED CELLULAR SYSTEMS MARKETING, INC.
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Mar 04, 1997 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 175 Total Citation Count
- Mar 11, 1993 Earliest Filing
- 3 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
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Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5608781 Method of eliminating or reducing cloning of electronic identification numbers of cellular telephonesExpiredApr 12, 95Mar 04, 97[H04Q]
5550897 Cellular telephone calling system using credit card validationExpiredNov 08, 94Aug 27, 96[H04Q]
5388148 Cellular telephone calling system using credit card validationExpiredMar 11, 93Feb 07, 95[H04M]
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