Duane G. Barber

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Yorba Linda, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Rate nephelometer
- Patent number 5,969,814
- Issue date Oct 19, 1999
- Beckman Coulter, Inc.
- Duane G. Barber
- G01 - MEASURING TESTING
Information Patent Grant
Nephelometer and turbidimeter combination
- Patent number 5,940,178
- Issue date Aug 17, 1999
- Beckman Instruments, Inc.
- Duane G. Barber
- G01 - MEASURING TESTING
Information Patent Grant
Capillary retaining system
- Patent number 5,605,666
- Issue date Feb 25, 1997
- Beckman Instruments, Inc.
- David L. Goodale
- G01 - MEASURING TESTING
Information Patent Grant
Fluid probe washing apparatus and method
- Patent number 5,408,891
- Issue date Apr 25, 1995
- Beckman Instruments, Inc.
- Duane G. Barber
- G01 - MEASURING TESTING
Information Patent Grant
Rotatable vortexing turntable
- Patent number 5,066,135
- Issue date Nov 19, 1991
- Beckman Instruments, Inc.
- Richard C. Meyer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Control of system energy in a single beam spectrophotometer
- Patent number 4,373,813
- Issue date Feb 15, 1983
- Beckman Instruments, Inc.
- Taylor A. Reid
- G01 - MEASURING TESTING
Information Patent Grant
Gamma counter shutter assembly
- Patent number 3,932,752
- Issue date Jan 13, 1976
- Beckman Instruments, Inc.
- Roy W. Aday
- G01 - MEASURING TESTING