Inventor
WIENHOLD JAMES L
US17 patents
⚠️ This page may combine multiple inventors who share the name “WIENHOLD JAMES L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WIENHOLD JAMES L
9 patentsUS5013194AMay 7, 1991
Chuck assembly for tool bits
WIENHOLD JAMES L218 citations98
US4900202AFeb 13, 1990
Chuck assembly for tool bits
WIENHOLD JAMES L156 citations98
US6966562B1Nov 22, 2005
Multiple mode chuck
WIENHOLD JAMES L64 citations95
US7896355B2Mar 1, 2011
Dual size tool-bit holder
WIENHOLD JAMES L19 citations92
US7147409B2Dec 12, 2006
Drill countersink assembly
WIENHOLD JAMES L21 citations92
US6260857B1Jul 17, 2001
Quick-change three-jaw drill chuck
WIENHOLD JAMES L59 citations90
US9873155B1Jan 23, 2018
Quick change tool bit holder for round shafts
WIENHOLD JAMES L14 citations83
US8636287B2Jan 28, 2014
Automatic tool-bit holder
WIENHOLD JAMES L9 citations83
US8292304B2Oct 23, 2012
Dual size tool-bit holder
WIENHOLD JAMES L8 citations83