Inventor

HEYD ALLEN

3 patents

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

RICHARDSON MERRELL INC

2 patents

US4130638ADec 19, 1978

Mouthwash compositions

RICHARDSON MERRELL INC50 citations91

US4280936AJul 28, 1981

Denture adhesive of sodium carboxymethylcellulose, poly(ethylene oxide) homopolymer and mineral oil

RICHARDSON MERRELL INC13 citations71

RICHARDSON VICKS INC

1 patent

US4315779AFeb 16, 1982

Non-adhesive gel compositions for stabilizing dentures

RICHARDSON VICKS INC35 citations90