Robert John Amundson

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Marshalltown, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Waterer valve system
- Patent number 11,716,968
- Issue date Aug 8, 2023
- Ritchie Industries, Inc.
- Eric David Sieverding
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
WATERER VALVE SYSTEM
- Publication number 20190098867
- Publication date Apr 4, 2019
- Ritchie Industries, Inc.
- Eric David Sieverding
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING