Granted Patent
Utility
US 6,129,339 · App. 09/255,124
Strut spring compression
Inventors:
James M. Lundgreen, Larry Betcher
Patented Case
View Patent ↗
Granted: Oct 10, 2000
Filed: Feb 22, 1999
Inventors
James M. Lundgreen
Larry Betcher
Assignee (at issue)
SPX 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.