Fred E. Sjogren

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Coos Bay, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Scale pad and valve structure
- Patent number 4,361,198
- Issue date Nov 30, 1982
- Sjogren; Glenda J.
- Fred E. Sjogren
- G01 - MEASURING TESTING
Information Patent Grant
Log truck scale pad and pop-off valve
- Patent number 4,162,710
- Issue date Jul 31, 1979
- Sjogren; Kenneth A.
- Fred E. Sjogren
- G01 - MEASURING TESTING