Granted Patent
Utility
US 4,960,210 · App. 07/373,384
Gravity feed gondola base
Inventor:
William S. Spamer
Patented Case
View Patent ↗
Granted: Oct 2, 1990
Filed: Jun 29, 1989
Inventor
William S. Spamer
Assignee (at issue)
The Mead 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.