TECHNOLOGY SERVICE GROUP, INC.
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Mar 23, 1993 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 0 Total Citation Count
- May 08, 1991 Earliest Filing
- 0 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
RE34200 Coin fraud preventing unit and modular configurations for pay telephone stationsMay 08, 91Mar 23, 93[H04M, G07F]
Expired/Abandoned/Withdrawn Patents
- No Patents to Display
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