P
PatentIndex
Search
Landscape
Sign in
Inventor
TOMLINSON HARVARD L
2 patents
Patents
2 patents
US4265266A
May 5, 1981
Controlled additive metering system
HALLIBURTON CO
284 citations
96
US4353482A
Oct 12, 1982
Additive metering control system
HALLIBURTON CO
144 citations
93