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Inventor
SHAFFER NICK
US
2 patents
Patents
2 patents
US9382066B2
Jul 5, 2016
Sliding wall hopper methods, systems, and devices
PROTON POWER INC
0 citations
39
US9284115B2
Mar 15, 2016
Sliding wall hopper methods, systems, and devices
PROTON POWER INC
0 citations
39