Warren E. Guthrie

Person

Wheaton, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Remote controlled noise jamming device
- Patent number 6,112,052
- Issue date Aug 29, 2000
- Northrop Grumman Corporation
- Warren E. Guthrie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Inventorying method and system for monitoring items using tags
- Patent number 6,058,374
- Issue date May 2, 2000
- Northrop Grumman Corporation
- Warren E. Guthrie
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Monitor tag with patch antenna
- Patent number 6,049,278
- Issue date Apr 11, 2000
- Northrop Grumman Corporation
- Warren E. Guthrie
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wrist strap integrity check circuitry
- Patent number 6,035,260
- Issue date Mar 7, 2000
- Northrop Grumman Corporation
- Walter Jerry Pohribnij
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Vehicle communications system
- Patent number 5,959,584
- Issue date Sep 28, 1999
- Northrop Grumman Corporation
- Kenneth Duane Gorham
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Random time interval generator
- Patent number 5,910,956
- Issue date Jun 8, 1999
- Northrop Gruman Corporation
- Warren E. Guthrie
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Wrist strap test mode circuitry
- Patent number 5,872,455
- Issue date Feb 16, 1999
- Northrop Grumman Corporation
- Walter Jerry Pohribnij
- G01 - MEASURING TESTING
Information Patent Grant
Tagging system using motion detector
- Patent number 5,844,482
- Issue date Dec 1, 1998
- Warren E. Guthrie
- G08 - SIGNALLING
Information Patent Grant
Pulse position modulation communications protocol
- Patent number 5,844,942
- Issue date Dec 1, 1998
- Northrop Grumman Corporation
- Randall G. Hicks
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reduction of second order harmonic distortion in high power TWT amp...
- Patent number 5,838,195
- Issue date Nov 17, 1998
- Northrop Grumman Corporation
- Thomas E. Szmurlo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Remote utility meter reading system
- Patent number 5,801,643
- Issue date Sep 1, 1998
- Northrop Grumman Corporation
- Roger B. Williams
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for hard-wired adaptive cancellation
- Patent number 5,757,312
- Issue date May 26, 1998
- Northrop Grumman Corporation
- Thomas E. Szmurlo
- G01 - MEASURING TESTING
Information Patent Grant
Microwave frequency generator and method of generating a desired mi...
- Patent number 5,748,047
- Issue date May 5, 1998
- Northrop Grumman Corporation
- Warren E. Guthrie
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Personnel monitoring tag
- Patent number 5,745,037
- Issue date Apr 28, 1998
- Northrop Grumman Corporation
- Warren E. Guthrie
- G08 - SIGNALLING
Information Patent Grant
Coherent GPS translator with spread spectrum pilot tone
- Patent number 5,729,235
- Issue date Mar 17, 1998
- Northrop Grumman Corporation
- Warren E. Guthrie
- G01 - MEASURING TESTING
Information Patent Grant
Electronic inventory system for stacked containers
- Patent number 5,565,858
- Issue date Oct 15, 1996
- Northrop Grumman Corporation
- Warren E. Guthrie
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Stock locator system using GPS translator
- Patent number 5,512,902
- Issue date Apr 30, 1996
- Northrop Grumman Corporation
- Warren E. Guthrie
- G01 - MEASURING TESTING
Information Patent Grant
Frequency synthesizer with comb spectrum mixer and fractional comb...
- Patent number 5,451,910
- Issue date Sep 19, 1995
- Northrop Grumman Corporation
- Warren E. Guthrie
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Harmonic frequency synthesizer with adjustable frequency offset
- Patent number 5,343,168
- Issue date Aug 30, 1994
- Northrop Grumman Corporation
- Warren E. Guthrie
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low power RF receiver
- Patent number 5,193,210
- Issue date Mar 9, 1993
- ABC Auto Alarms, Inc.
- Michael G. Nicholas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
RANDOM INTERVAL INVENTORY SYSTEM
- Publication number 20020087436
- Publication date Jul 4, 2002
- WARREN E. GUTHRIE
- G01 - MEASURING TESTING

Warren E. Guthrie

Person

Patents Grantslast 30 patents

Remote controlled noise jamming device

Inventorying method and system for monitoring items using tags

Monitor tag with patch antenna

Wrist strap integrity check circuitry

Vehicle communications system

Random time interval generator

Wrist strap test mode circuitry

Tagging system using motion detector

Pulse position modulation communications protocol

Reduction of second order harmonic distortion in high power TWT amp...

Remote utility meter reading system

Method and apparatus for hard-wired adaptive cancellation

Microwave frequency generator and method of generating a desired mi...

Personnel monitoring tag

Coherent GPS translator with spread spectrum pilot tone

Electronic inventory system for stacked containers

Stock locator system using GPS translator

Frequency synthesizer with comb spectrum mixer and fractional comb...

Harmonic frequency synthesizer with adjustable frequency offset

Low power RF receiver

Patents Applicationslast 30 patents

RANDOM INTERVAL INVENTORY SYSTEM