Robert G. Shaffer

Follow

Person

New Britain, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Frequency-to-binary converter
- Patent number 4,251,869
- Issue date Feb 17, 1981
- Fischer & Porter Company
- Robert G. Shaffer
- G01 - MEASURING TESTING
Information Patent Grant
Transmission system for vortex-shedding flowmeter
- Patent number 4,123,940
- Issue date Nov 7, 1978
- Fischer & Porter Company
- Peter J. Herzl
- G01 - MEASURING TESTING
Information Patent Grant
Two-wire transmitter with totalizing counter
- Patent number 4,084,155
- Issue date Apr 11, 1978
- Fischer & Porter Co.
- Peter J. Herzl
- G01 - MEASURING TESTING