Granted Patent
Utility
US 4,293,136 · App. 06/130,380
Anodized seal nose for damper
Inventor:
Larry George
Patented Case
View Patent ↗
Granted: Oct 6, 1981
Filed: Mar 14, 1980
Inventor
Larry George
Assignee (at issue)
Wallace Murray 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.