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PRECISION TRACKING FM, INC., A TX CORP
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SAN ANTONIO, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Location system adapted for use in multipath environments
Patent number
RE36791
Issue date
Jul 25, 2000
Precision Tracking FM, Inc.
Alan C. Heller
342 - Communications: directive radio wave systems and devices
Information
Patent Grant
Method for receiving and transmitting optical data and control info...
Patent number
RE36530
Issue date
Jan 25, 2000
Precision Tracking FM, Inc.
Alan C. Heller
359 - Optical: systems and elements
Information
Patent Grant
Sensory and control system for local area networks
Patent number
5,572,195
Issue date
Nov 5, 1996
Precision Tracking FM, Inc.
Alan C. Heller
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for locating personnel and objects in response...
Patent number
5,548,637
Issue date
Aug 20, 1996
Precision Tracking FM, Inc.
Alan C. Heller
G07 - CHECKING-DEVICES
Information
Patent Grant
Method for receiving and transmitting optical data and control info...
Patent number
5,387,993
Issue date
Feb 7, 1995
Precision Tracking FM, Inc.
Alan C. Heller
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical receiver for area location system
Patent number
5,355,222
Issue date
Oct 11, 1994
Precision Tracking FM, Inc.
Alan C. Heller
G01 - MEASURING TESTING
Information
Patent Grant
Optical receiver for area location system
Patent number
5,276,496
Issue date
Jan 4, 1994
Precision Tracking FM, Inc.
Alan C. Heller
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74527171 - COLLECTIR
Serial number
74527171
Filing date
May 16, 1994
PRECISION TRACKING FM, INC.
40 - Treatment of materials
Information
Trademark
74531777 - COLLECTIR
Serial number
74531777
Registration number
2055768
Filing date
May 16, 1994
PRECISION TRACKING FM, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments