Keith Johnson

Person

Orland Park, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Multi-frequency security code transmission and reception
- Patent number 7,589,615
- Issue date Sep 15, 2009
- The Chamberlain Group, Inc.
- Robert R. Keller, Jr.
- G08 - SIGNALLING
Information Patent Grant
Virtual electronic back-up alignment apparatus
- Patent number 6,900,724
- Issue date May 31, 2005
- Bandwidth Design, Inc.
- Keith R. Johnson
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Laser multiple feedback control circuit and method
- Patent number 5,253,267
- Issue date Oct 12, 1993
- Amoco Corporation
- Keith Johnson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser feedback control circuit and method
- Patent number 5,177,755
- Issue date Jan 5, 1993
- Amoco Corporation
- Keith Johnson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Digital resolver/encoder assembly
- Patent number 4,810,917
- Issue date Mar 7, 1989
- Autotech Corporation
- Shalabh Kumar
- G01 - MEASURING TESTING
Information Patent Grant
Compact digital resolver/encoder assembly with flexible circuit board
- Patent number 4,728,834
- Issue date Mar 1, 1988
- Autotech Corporation
- Shalabh Kumar
- G01 - MEASURING TESTING
Information Patent Grant
Glue detector
- Patent number 4,389,969
- Issue date Jun 28, 1983
- Copar Corporation
- Keith R. Johnson
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
Means for sensing and controlling the amount of starch applied to f...
- Patent number 4,369,080
- Issue date Jan 18, 1983
- Copar Corporation
- Keith R. Johnson
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD

Patents Applicationslast 30 patents

Information Patent Application
Multi-frequency security code transmission and reception
- Publication number 20060109078
- Publication date May 25, 2006
- The Chamberlain Group, Inc.
- Robert R. Keller
- G08 - SIGNALLING
Information Patent Application
VIRTUAL ELECTRONIC BACK-UP ALIGNMENT APPARATUS
- Publication number 20050057345
- Publication date Mar 17, 2005
- Keith R. Johnson
- B60 - VEHICLES IN GENERAL

Keith Johnson

Person

Patents Grantslast 30 patents

Multi-frequency security code transmission and reception

Virtual electronic back-up alignment apparatus

Laser multiple feedback control circuit and method

Laser feedback control circuit and method

Digital resolver/encoder assembly

Compact digital resolver/encoder assembly with flexible circuit board

Glue detector

Means for sensing and controlling the amount of starch applied to f...

Patents Applicationslast 30 patents

Multi-frequency security code transmission and reception

VIRTUAL ELECTRONIC BACK-UP ALIGNMENT APPARATUS