Granted Patent
Utility
US 5,557,892 · App. 08/207,926
Power mast
Inventor:
Kevin R. Lavin
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Mar 8, 1994
Inventor
Kevin R. Lavin
Assignee (at issue)
Wolf Coach, 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.