Granted Patent
Utility
US 5,282,645 · App. 07/981,452
Electro-hydraulic pressure regulating valve assembly mounted in a valve boss on a hydraulic damper
Inventors:
Joseph G. Spakowski, David A. Webb, Christopher B. Coolican
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Nov 25, 1992
Inventors
Joseph G. Spakowski
David A. Webb
Christopher B. Coolican
Assignee (at issue)
General Motors 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.