P

Inventor

RATCLIFF PERRY A

US31 patents
⚠️ This page may combine multiple inventors who share the name “RATCLIFF PERRY A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RATCLIFF PERRY A

17 patents
US4689215AAug 25, 1987

Method and composition for prevention and treatment of oral disease

RATCLIFF PERRY A142 citations99
US5052590AOct 1, 1991

Resealable dual compartment container

RATCLIFF PERRY A57 citations96
US4925656AMay 15, 1990

Method for retarding formation of dental plaque

RATCLIFF PERRY A71 citations96
US4889714ADec 26, 1989

Method for retarding dental plaque by killing streptococcus sanguis

RATCLIFF PERRY A54 citations96
US4886657ADec 12, 1989

Method for preventing periodontitis

RATCLIFF PERRY A63 citations96
US4855135AAug 8, 1989

Method for debriding

RATCLIFF PERRY A81 citations96
US4851213AJul 25, 1989

Method and composition for prevention and treatment of oral disease due to S. Sanguis

RATCLIFF PERRY A66 citations96
US4837009AJun 6, 1989

Method and composition for prevention of plaque formation and plaque dependent diseases

RATCLIFF PERRY A75 citations96
US4818519AApr 4, 1989

Method and composition for prevention of plaque formation and plaque dependent diseases

RATCLIFF PERRY A71 citations96
US4808389AFeb 28, 1989

Method and composition for prevention and treatment of oral disease

RATCLIFF PERRY A69 citations96
US4793989ADec 27, 1988

Method and composition for prevention and treatment of oral disease

RATCLIFF PERRY A54 citations96
US4792442ADec 20, 1988

Method and composition for prevention and treatment of oral disease

RATCLIFF PERRY A71 citations96
US4788053ANov 29, 1988

Method and composition for prevention and treatment of oral disease

RATCLIFF PERRY A79 citations96
US4786492ANov 22, 1988

Method and composition for prevention and treatment of oral disease

RATCLIFF PERRY A69 citations96
US4696811ASep 29, 1987

Method and composition for prevention and treatment of oral disease

RATCLIFF PERRY A91 citations96
US4975285ADec 4, 1990

Method for cleaning dental prosthetic devices

RATCLIFF PERRY A48 citations92
US4978535ADec 18, 1990

Method for cleaning contact lenses

RATCLIFF PERRY A22 citations82

MICROPURE INC

5 patents

(unassigned)

4 patents

VORTECH INC

4 patents

RBR HOLDINGS

1 patent