Granted Patent
Utility
US 5,787,791 · App. 08/821,276
Turbocharger actuator with rolling O-ring
Inventor:
Mark W. Vertanen
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Mar 20, 1997
Inventor
Mark W. Vertanen
Assignee (at issue)
Gits Manufacturing Company, LLC
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.