John D. McKenney

Person

South Laguna, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Crash impact attenuator systems and methods
- Patent number 8,430,596
- Issue date Apr 30, 2013
- John D. McKenney
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Crash impact attenuator systems and methods
- Patent number 8,033,749
- Issue date Oct 11, 2011
- John D. McKenney
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Crash impact attenuator systems and methods
- Patent number 7,794,174
- Issue date Sep 14, 2010
- Traffix Devices, Inc.
- John D. McKenney
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Flag holder
- Patent number 6,047,941
- Issue date Apr 11, 2000
- Traffix Devices, Inc.
- Jack H. Kulp
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Flag holder
- Patent number 6,045,110
- Issue date Apr 4, 2000
- Trafix Devices, Inc.
- Jack H. Kulp
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Universal sign holder
- Patent number 6,003,827
- Issue date Dec 21, 1999
- Traffix Devices, Inc.
- Jack H. Kulp
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Adjustable sign mounting brackets
- Patent number 5,836,558
- Issue date Nov 17, 1998
- Traffix Devices
- Jack H. Kulp
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Adjustable sign mounting brackets
- Patent number 5,624,092
- Issue date Apr 29, 1997
- Traffix Devices, Inc.
- Jack H. Kulp
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Quick release mechanism for a display stand
- Patent number 5,611,509
- Issue date Mar 18, 1997
- Traffix Devices, Inc.
- Jack H. Kulp
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Highway signs capable of being rolled up
- Patent number 5,540,007
- Issue date Jul 30, 1996
- Traffix Devices, Inc.
- Jack H. Kulp
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Highway signs capable of being rolled up and improved mounting brac...
- Patent number 5,446,984
- Issue date Sep 5, 1995
- Traffix Devices, Inc.
- Jack H. Kulp
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Stabilized barrel-like traffic control element
- Patent number 5,201,599
- Issue date Apr 13, 1993
- Traffix Devices, Inc.
- Jack H. Kulp
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Traffic control element and method of erecting and stabilizing same
- Patent number 5,026,204
- Issue date Jun 25, 1991
- Traffix Devices, Inc.
- Jack H. Kulp
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Highway signs and flags capable of being rolled up
- Patent number 4,980,984
- Issue date Jan 1, 1991
- Traffic Devices, Inc.
- Jack H. Kulp
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Portable traffic control apparatus
- Patent number 4,593,265
- Issue date Jun 3, 1986
- Lear Siegler, Inc.
- John D. McKenney
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Portable traffic signalling apparatus and methods therefor
- Patent number 4,543,905
- Issue date Oct 1, 1985
- Lear Siegler, Inc.
- John D. McKenney
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Apparatus for testing shock absorbers
- Patent number 3,987,659
- Issue date Oct 26, 1976
- McKenney; John D.
- John D. McKenney
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
CRASH IMPACT ATTENUATOR SYSTEMS AND METHODS
- Publication number 20120082511
- Publication date Apr 5, 2012
- TRAFFIX DEVICES, INC.
- John D. McKenney
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
CRASH IMPACT ATTENUATOR SYSTEMS AND METHODS
- Publication number 20100296864
- Publication date Nov 25, 2010
- TRAFFIX DEVICES, INC.
- John D. McKenney
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
CRASH IMPACT ATTENUATOR SYSTEMS AND METHODS
- Publication number 20080181722
- Publication date Jul 31, 2008
- TRAFFIX DEVICES, INC.
- John D. McKenney
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

John D. McKenney

Person

Patents Grantslast 30 patents

Crash impact attenuator systems and methods

Crash impact attenuator systems and methods

Crash impact attenuator systems and methods

Flag holder

Flag holder

Universal sign holder

Adjustable sign mounting brackets

Adjustable sign mounting brackets

Quick release mechanism for a display stand

Highway signs capable of being rolled up

Highway signs capable of being rolled up and improved mounting brac...

Stabilized barrel-like traffic control element

Traffic control element and method of erecting and stabilizing same

Highway signs and flags capable of being rolled up

Portable traffic control apparatus

Portable traffic signalling apparatus and methods therefor

Apparatus for testing shock absorbers

Patents Applicationslast 30 patents

CRASH IMPACT ATTENUATOR SYSTEMS AND METHODS

CRASH IMPACT ATTENUATOR SYSTEMS AND METHODS

CRASH IMPACT ATTENUATOR SYSTEMS AND METHODS