Inventor

DYKMAN K RAND

US4 patents

⚠️ This page may combine multiple inventors who share the name “DYKMAN K RAND”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUPERIOR ENVIRONMENTAL SERVICE

2 patents

US5083500AJan 28, 1992

Radon treatment system and method

SUPERIOR ENVIRONMENTAL SERVICE31 citations89

US5080004AJan 14, 1992

Clean-out pipe receptacle

SUPERIOR ENVIRONMENTAL SERVICE10 citations70

FRANMAN INC

2 patents

US4848380AJul 18, 1989

Foundation drain cleaning apparatus and method

FRANMAN INC9 citations69

US4981150AJan 1, 1991

Foundation drain cleaning apparatus and method

FRANMAN INC6 citations58