Inventor

SCHULZE JR DWAIN C

2 patents

Patents

2 patents

US4386534AJun 7, 1983

System for obtaining exhaust samples and analyzing the same

CATERPILLAR TRACTOR CO21 citations78

US4520652AJun 4, 1985

System for obtaining exhaust samples and analyzing the same

CATERPILLAR TRACTOR CO5 citations58