Granted Patent
Utility
US 6,386,523 · App. 09/587,602
Dual lobe airspring
Inventors:
Michael L. Crabtree, Richard F. Stieg
Patented Case
View Patent ↗
Granted: May 14, 2002
Filed: Jun 5, 2000
Inventors
Michael L. Crabtree
Richard F. Stieg
Assignee (at issue)
Gates Corporation
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.