Inventor
GROGAN RICHARD P
11 patents
⚠️ This page may combine multiple inventors who share the name “GROGAN RICHARD P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DIAMOND INT CORP
5 patentsUS3995774ADec 7, 1976
Liquid dispenser having deformable diaphragm type pump
DIAMOND INT CORP61 citations94
US3987938AOct 26, 1976
Dispensing pump
DIAMOND INT CORP126 citations94
US3986644AOct 19, 1976
Dispensing pump
DIAMOND INT CORP46 citations91
US4138038AFeb 6, 1979
Dispensing pump housing and operating lever assembly
DIAMOND INT CORP30 citations81
US4174069ANov 13, 1979
Adjustable spray fluid dispenser
DIAMOND INT CORP15 citations73
CALMAR INC
4 patentsUS4615467AOct 7, 1986
Liquid foam dispenser
CALMAR INC141 citations97
US4946074AAug 7, 1990
Tamper evident manually actuated pump sprayer
CALMAR INC55 citations95
US4746035AMay 24, 1988
Liquid dispenser having a tamperproof overcap
CALMAR INC62 citations95
US5072860ADec 17, 1991
Anti-loosening snap-fit cap for dispenser
CALMAR INC7 citations68