Granted Patent
Utility
US 5,833,421 · App. 08/710,369
Connector plate
Inventors:
William F. Lees, Robert N. Emerson
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Sep 16, 1996
Inventors
William F. Lees
Robert N. Emerson
Assignee (at issue)
Alpine Engineered Products, 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.