Inventor

BUETTNER CARL F

3 patents

Patents

3 patents

US4225167ASep 30, 1980

Vehicle bumpers with collapsible parts

BUETTNER CARL F53 citations92

US4333674AJun 8, 1982

Vehicle bumpers with collapsible parts

BUETTNER CARL F23 citations78

US4715232ADec 29, 1987

Flow measuring system with backflow preventing means

BUETTNER CARL F7 citations68