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DRILL-CHUCK

ARTHUR I. JACOBS et al

Inventors: ARTHUR I. JACOBS, ARTHUR I. JACOBS

Current U.S. Classification
279/62; 279/147

Patent Number	Issue date	Title
6079916	Jun 27, 2000	Rotary power tool with remotely actuated chuck
6340163	Jan 22, 2002	Snag-resistant chuck key
6616148	Sep 9, 2003	Keyless chuck with backup key operation