Inventor
POWERS FREDERICK ALLAN
US4 patents
Patents
4 patentsUS5707219AJan 13, 1998
Diaphragm pump
WANNER ENGINEERING54 citations89
US6164560ADec 26, 2000
Lawn applicator module and control system therefor
WANNER ENGINEERING37 citations85
US6089532AJul 18, 2000
Valve for use with agricultural sprayers
WANNER ENGINEERING17 citations76
US6019124AFeb 1, 2000
Valve assembly for use with high pressure pumps
WANNER ENGINEERING14 citations69