Granted Patent
Utility
US 4,818,629 · App. 06/769,263
Joint construction for lined equipment
Inventors:
Einar R. Jenstrom, Mortimer Schussler
Patented Case
View Patent ↗
Granted: Apr 4, 1989
Filed: Aug 26, 1985
Inventors
Einar R. Jenstrom
Mortimer Schussler
Assignee (at issue)
Fansteel Inc.
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.