Rolf P. Haggstrom

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East Walpole, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Strain gage transducer system with guard circuit
- Patent number 5,135,062
- Issue date Aug 4, 1992
- Flintab AB
- Harry E. Lockery
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for weighing a wheel supported load
- Patent number 5,086,856
- Issue date Feb 11, 1992
- Flintab AB
- Rolf P. Haggstrom
- G01 - MEASURING TESTING
Information Patent Grant
Low-force transducer
- Patent number 5,045,827
- Issue date Sep 3, 1991
- BLH Electronics, Inc.
- Rolf P. Haggstrom
- G11 - INFORMATION STORAGE
Information Patent Grant
Weigh module
- Patent number 5,005,429
- Issue date Apr 9, 1991
- BLH Electronics, Inc.
- Rolf P. Haggstrom
- G01 - MEASURING TESTING
Information Patent Grant
Force measuring device with zero adjustment
- Patent number 4,958,526
- Issue date Sep 25, 1990
- Flintab AB
- Rolf P. Haggstrom
- G01 - MEASURING TESTING
Information Patent Grant
Coaxial load cell
- Patent number 4,854,179
- Issue date Aug 8, 1989
- BLH Electronics, Inc.
- Rolf P. Haggstrom
- G01 - MEASURING TESTING