Granted Patent
Utility
US 5,025,708 · App. 07/472,644
Actuator with automatic lock
Inventors:
Denzil B. Smith, Melvyn F. Whitby
Patented Case
View Patent ↗
Granted: Jun 25, 1991
Filed: Jan 30, 1990
Inventors
Denzil B. Smith
Melvyn F. Whitby
Assignee (at issue)
Baroid Technology, 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.