P
PatentIndex
Search
Landscape
Sign in
Inventor
DRAKE BRUCE S
2 patents
Patents
2 patents
US4263926A
Apr 28, 1981
Injection system for solid friction reducing polymers
SHELL OIL CO
33 citations
89
US4335964A
Jun 22, 1982
Injection system for solid friction reducing polymers
SHELL OIL CO
20 citations
78