Granted Patent
Utility
US 4,684,390 · App. 06/731,301
Rack aligning fixture and method of its use
Inventor:
Frederick W. Winzer
Patented Case
View Patent ↗
Granted: Aug 4, 1987
Filed: May 7, 1985
Inventor
Frederick W. Winzer
Assignee (at issue)
Emhart Industries, 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.