IP Library Granted Patent US 4,565,215
Granted Patent Utility
US 4,565,215 · App. 06/612,999

Chemical injection valve

Inventors: Leslie L. Cummings, deceased, by Mildred Cummings, executrix
Patented Case View Patent ↗
Granted: Jan 21, 1986 Filed: May 21, 1984
Inventors
Leslie L. Cummings, deceased
by Mildred Cummings, executrix

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Quick Facts
Patent No.
US 4,565,215
App. No.
06/612,999
Filed
1984-05-21
Granted
1986-01-21
Kind
A