Elwood E. Barnes

Person

Parkesburg, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for measurement of tire pressure
- Patent number 6,823,728
- Issue date Nov 30, 2004
- Elwood E. Barnes
- G01 - MEASURING TESTING
Information Patent Grant
Light intensity reduction apparatus and method
- Patent number 5,841,507
- Issue date Nov 24, 1998
- Elwood E. Barnes
- G02 - OPTICS
Information Patent Grant
Apparatus for measuring the profile of documents
- Patent number 5,678,678
- Issue date Oct 21, 1997
- Mars Incorporated
- Robert O. Brandt
- G07 - CHECKING-DEVICES
Information Patent Grant
Light intensity reduction apparatus and method
- Patent number 5,671,035
- Issue date Sep 23, 1997
- Elwood E. Barnes
- G02 - OPTICS
Information Patent Grant
Horizontal magnetoresistive head apparatus and method for detecting...
- Patent number 5,358,088
- Issue date Oct 25, 1994
- Mars Incorporated
- Elwood E. Barnes
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Vending machine apparatus and method to prevent fraud and minimize...
- Patent number 5,318,164
- Issue date Jun 7, 1994
- Mars Incorporated
- Elwood E. Barnes
- G07 - CHECKING-DEVICES
Information Patent Grant
Method and apparatus for a low-power, battery-powered vending and d...
- Patent number 5,316,124
- Issue date May 31, 1994
- Mars Incorporated
- Elwood E. Barnes
- G07 - CHECKING-DEVICES
Information Patent Grant
Motor control for banknote handing apparatus
- Patent number 4,775,824
- Issue date Oct 4, 1988
- Mars, Incorporated
- Elwood E. Barnes
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method and apparatus for currency validation
- Patent number 4,628,194
- Issue date Dec 9, 1986
- Mars, Inc.
- Bob M. Dobbins
- G07 - CHECKING-DEVICES
Information Patent Grant
Coin presence sensing apparatus
- Patent number 4,460,003
- Issue date Jul 17, 1984
- Mars, Inc.
- Elwood E. Barnes
- G07 - CHECKING-DEVICES
Information Patent Grant
Low frequency phase shift coin examination method and apparatus
- Patent number 4,398,626
- Issue date Aug 16, 1983
- Mars, Inc.
- Elwood E. Barnes
- G07 - CHECKING-DEVICES
Information Patent Grant
Vending machine accountability system
- Patent number 4,272,757
- Issue date Jun 9, 1981
- Mars, Incorporated
- Donald L. McLaughlin
- G07 - CHECKING-DEVICES

Elwood E. Barnes

Person

Patents Grantslast 30 patents

Systems and methods for measurement of tire pressure

Light intensity reduction apparatus and method

Apparatus for measuring the profile of documents

Light intensity reduction apparatus and method

Horizontal magnetoresistive head apparatus and method for detecting...

Vending machine apparatus and method to prevent fraud and minimize...

Method and apparatus for a low-power, battery-powered vending and d...

Motor control for banknote handing apparatus

Method and apparatus for currency validation

Coin presence sensing apparatus

Low frequency phase shift coin examination method and apparatus

Vending machine accountability system