David L. Pederson

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Hopkins, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Close proximity material interface detection for a microwave level...
- Patent number 6,445,192
- Issue date Sep 3, 2002
- Rosemount Inc.
- Eric R. Lovegren
- G01 - MEASURING TESTING
Information Patent Grant
Process transmitter communication circuit
- Patent number 6,006,338
- Issue date Dec 21, 1999
- Rosemont Inc.
- Randy J. Longsdorf
- G05 - CONTROLLING REGULATING
Information Patent Grant
Interface controller for matching a process address field from a pl...
- Patent number 5,410,730
- Issue date Apr 25, 1995
- Rosemount Inc.
- Randy J. Longsdorf
- G05 - CONTROLLING REGULATING
Information Patent Grant
Digital converter apparatus for improving the output of a two-wire...
- Patent number 5,187,474
- Issue date Feb 16, 1993
- Rosemount Inc.
- John A. Kielb
- G08 - SIGNALLING