Granted Patent
Utility
US 5,727,491 · App. 08/763,239
Pontoon for military collapsible floating bridges and crossing ferries
Inventors:
Lothar Emrich, Gerhard Thieme
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Dec 10, 1996
Inventors
Lothar Emrich
Gerhard Thieme
Assignee (at issue)
Eisenwerke Kaiserslautern GmbH
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.