Granted Patent
Utility
US 4,776,052 · App. 07/064,987
Vertically stored dockboard
Inventors:
Joe Delgado, William B. Weishar
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Jun 22, 1987
Inventors
Joe Delgado
William B. Weishar
Assignee (at issue)
Kelley Company, 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.