P
PatentIndex
Search
Landscape
Sign in
Inventor
YOUNGWERTH DANIEL SCOTT
US
2 patents
Patents
2 patents
US8459430B2
Jun 11, 2013
Automatic clutch employing expanding friction disk and an adjustable pressure plate
YOUNGWERTH JR ALBERT JAMES
7 citations
71
US9797460B2
Oct 24, 2017
Clutch apparatus employing dual concentric clutches
YOUNGWERTH JR ALBERT JAMES
0 citations
29