Granted Patent
Utility
US 5,634,564 · App. 08/489,972
Pusher device for dispensing articles
Inventors:
William S. Spamer, Dennis E. Parham, Timothy M. Shannon
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Jun 13, 1995
Inventors
William S. Spamer
Dennis E. Parham
Timothy M. Shannon
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.