Granted Patent
Utility
US 4,609,010 · App. 06/187,279
Fluid inlet distributor
Inventor:
Frederick D. Watson
Patented Case
View Patent ↗
Granted: Sep 2, 1986
Filed: Sep 15, 1980
Inventor
Frederick D. Watson
Assignee (at issue)
Petrolite Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.