Granted Patent
Utility
US 5,887,732 · App. 08/798,288
Rack with heavy duty rollers in back
Inventors:
Gary E. Zimmer, Thomas E. McEachron, Kenneth J. Oser, Richard Tipton
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Feb 7, 1997
Inventors
Gary E. Zimmer
Thomas E. McEachron
Kenneth J. Oser
Richard Tipton
Assignee (at issue)
The Interlake Companies, 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.