Inventor

NOLD CRAIG M

US4 patents

Patents

4 patents

US5572104ANov 5, 1996

Furnace control apparatus

TEXAS INSTRUMENTS INC23 citations92

US5272427ADec 21, 1993

Furnace control apparatus and method

TEXAS INSTRUMENTS INC30 citations92

US5397970AMar 14, 1995

Interface circuit having improved isolation among signals for use with a variable speed electrically commutated fan motor

TEXAS INSTRUMENTS INC66 citations91

US5530615AJun 25, 1996

Method and apparatus for enhancing relay life

TEXAS INSTRUMENTS INC46 citations89