Granted Patent
Utility
US 5,758,684 · App. 08/683,737
Return-to-normal modular actuator
Inventors:
Hugh F. Hudson, James S. Greevers, Dennis J. Ulicny
Patented Case
View Patent ↗
Granted: Jun 2, 1998
Filed: Jul 17, 1996
Inventors
Hugh F. Hudson
James S. Greevers
Dennis J. Ulicny
Assignee (at issue)
Johnson Service Company
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.