Granted Patent
Utility
US 4,719,844 · App. 06/671,637
Shaft alignment system for pumps
Inventor:
Larry M. Dugan
Patented Case
View Patent ↗
Granted: Jan 19, 1988
Filed: Nov 15, 1984
Inventor
Larry M. Dugan
Assignee (at issue)
Adolph Coors 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.