Granted Patent
Utility
US 4,385,217 · App. 06/254,999
Flushable manifold for diaphragm protected components
Inventors:
Samuel W. Culbertson, Keith G. Williams
Patented Case
View Patent ↗
Granted: May 24, 1983
Filed: Apr 16, 1981
Inventors
Samuel W. Culbertson
Keith G. Williams
Assignee (at issue)
Binks Manufacturing Company
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.