Roland W. Johnson

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Hastings, NE, US

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Patents Grantslast 30 patents

Information Patent Grant
Adjustably turnable shaft-guard
- Patent number 4,130,998
- Issue date Dec 26, 1978
- Hastings Equity Grain Bin Mfg. Co.
- Kenneth D. Einsel
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...