Granted Patent
Utility
US 4,634,141 · App. 06/627,414
Axle lift mechanism
Inventors:
Lyle M. Hagan, William C. Pierce
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Jul 3, 1984
Inventors
Lyle M. Hagan
William C. Pierce
Assignee (at issue)
Lear Siegler, 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.