Granted Patent
Utility
US 5,002,248 · App. 07/381,108
Beam and telescopic connector shelving system
Inventors:
Richard S. Knape, William E. Stumpf, Casey L. Carlson, Walter L. Bessinger
Patented Case
View Patent ↗
Granted: Mar 26, 1991
Filed: Jul 14, 1989
Inventors
Richard S. Knape
William E. Stumpf
Casey L. Carlson
Walter L. Bessinger
Assignee (at issue)
KNAPE & VOGT MANUFACTURING 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.