Granted Patent
Utility
US 5,378,096 · App. 08/163,532
Collapsible and expandable void filler
Inventors:
Thomas C. Keenan, Philip B. Lo Presti, Donald L. Van Erden
Patented Case
View Patent ↗
Granted: Jan 3, 1995
Filed: Dec 9, 1993
Inventors
Thomas C. Keenan
Philip B. Lo Presti
Donald L. Van Erden
Assignee (at issue)
Shippers Paper Products
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.