Bob Schaefer

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Cherry Valley, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Electric interlock for spreader
- Patent number 8,505,838
- Issue date Aug 13, 2013
- Louis Berkman Company
- Bob Schaefer
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...

Patents Applicationslast 30 patents

Information Patent Application
ELECTRIC INTERLOCK FOR SPREADER
- Publication number 20120160929
- Publication date Jun 28, 2012
- Bob Schaefer
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES