Granted Patent
Utility
US 5,374,464 · App. 08/074,587
Bulkhead void filler
Inventors:
Paul H. Jacobsen, Hugh J. Zentmyer, Michael D. Loeschen
Patented Case
View Patent ↗
Granted: Dec 20, 1994
Filed: Jun 11, 1993
Inventors
Paul H. Jacobsen
Hugh J. Zentmyer
Michael D. Loeschen
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.