Granted Patent
Utility
US 4,813,809 · App. 07/134,721
Joint assembly for transformer parts
Inventors:
Dennis L. Stratman, Steven P. Lowry
Patented Case
View Patent ↗
Granted: Mar 21, 1989
Filed: Dec 18, 1987
Inventors
Dennis L. Stratman
Steven P. Lowry
Assignee (at issue)
Westinghouse Electric Company LLC
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.