Walter Greenfield

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Ardsley, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Kit for calibrating pipettes
- Patent number 4,354,376
- Issue date Oct 19, 1982
- Medical Laboratory Automation, Inc.
- Walter Greenfield
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Apparatus for timing and recording sedimentation rate of fluid samples
- Patent number 4,182,161
- Issue date Jan 8, 1980
- Walter Greenfield
- G01 - MEASURING TESTING
Information Patent Grant
Pressure differential filtering device and method
- Patent number 4,035,294
- Issue date Jul 12, 1977
- Denver Chemical Manufacturing Company
- Donald R. Landers
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Analytic test device
- Patent number 3,980,436
- Issue date Sep 14, 1976
- Sci-Med Laboratories, Inc.
- Walter Greenfield
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL