Granted Patent
Utility
US 4,648,237 · App. 06/818,309
Stack handling method and apparatus
Inventor:
Robert V. Total
Patented Case
View Patent ↗
Granted: Mar 10, 1987
Filed: Jan 13, 1986
Inventor
Robert V. Total
Assignee (at issue)
Oscar Mayer Foods Corporation
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.