Inventor

LIETZ LARRY D

4 patents

Patents

4 patents

US4691948ASep 8, 1987

Fail-secure lock system

A DEC INC155 citations96

USD336131SJun 1, 1993

Instrument support attachment for dental equipment

A DEC INC50 citations93

USD328791SAug 18, 1992

Dental control unit

A DEC INC25 citations88

US5203373AApr 20, 1993

Foot-actuated valves

A DEC INC8 citations72