Granted Patent
Utility
US 6,134,814 · App. 09/320,672
Hydraulic locking cylinder for plow blades
Inventors:
Jody Christy, Gale Thelean
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: May 27, 1999
Inventors
Jody Christy
Gale Thelean
Assignee (at issue)
M. J. Electric, 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.