Inventor

BOUTON WILLIAM C

US3 patents

Patents

3 patents

US6138875AOct 31, 2000

Hand-operated foaming apparatus

CHAPIN MFG INC23 citations88

US6367663B1Apr 9, 2002

Hand-operated foaming apparatus with interchangeable nozzle

CHAPIN MFG INC18 citations79

US9657451B2May 23, 2017

Manually operable push from behind spreader

CHAPIN MFG INC5 citations70