MARK BUTTERWORTH

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Muscatine, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Clock wheel pivot bearing
- Patent number 8,393,797
- Issue date Mar 12, 2013
- Mark Butterworth
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
CLOCK WHEEL PIVOT BEARING
- Publication number 20120014634
- Publication date Jan 19, 2012
- MARK BUTTERWORTH
- G04 - HOROLOGY