Granted Patent
Utility
US 4,836,094 · App. 07/166,319
Yieldably mounted lubricant control assemblies for piston rods
Inventors:
Roelf J. Meijer, Benjamin Ziph
Patented Case
View Patent ↗
Granted: Jun 6, 1989
Filed: Mar 10, 1988
Inventors
Roelf J. Meijer
Benjamin Ziph
Assignee (at issue)
Stirling Thermal Motors, 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.