TFT, Inc.
Patent Owner
Stats
- 4 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 30, 1999 most recent publication
Details
- 4 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 164 Total Citation Count
- Oct 05, 1981 Earliest Filing
- 4 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
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
RE34540 Frequency modulated radio frequency broadcast network employing a synchronous frequency modulated booster systemApr 03, 92Feb 08, 94[H04B]
RE34499 Frequency modulated radio frequency broadcast network employing a synchronous frequency modulated booster systemMar 30, 92Jan 04, 94[H04B]
5065450 Frequency modulated radio frequency broadcast network employing a synchronous frequency modulated booster systemSep 21, 90Nov 12, 91[H04B]
5046124 Frequency modulated radio frequency broadcast network employing a synchronous frequency modulated booster systemMar 21, 89Sep 03, 91[H04B]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5917887 Emergency alert communication system wherein emergency messages are received by a radio frequency receiver and routed to a telephone deviceExpiredSep 08, 97Jun 29, 99[H04M]
4710970 Method of and apparatus for generating a frequency modulated ultrahigh frequency radio transmission signalExpiredSep 11, 85Dec 01, 87[H04B]
4392248 Attention signal receiver for emergency broadcast systemsExpiredOct 05, 81Jul 05, 83[H04B, H03J]
Top Inventors for This Owner
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