Granted Patent
Utility
US 5,887,820 · App. 08/008,809
Wheel-type landing gear for helicopters
Inventors:
Juergen Roehrdanz, Wolfgang Fischer
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Jan 20, 1998
Inventors
Juergen Roehrdanz
Wolfgang Fischer
Assignee (at issue)
Daimler-Benz AG
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.