Granted Patent
Utility
US 4,243,105 · App. 06/061,182
Foldable agricultural implement
Inventors:
Lambert P. Vogel, Robert J. Steffl
Patented Case
View Patent ↗
Granted: Jan 6, 1981
Filed: Jul 26, 1979
Inventors
Lambert P. Vogel
Robert J. Steffl
Assignee (at issue)
Westgo Industries, Inc.
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.