Granted Patent
Utility
US 4,982,066 · App. 07/448,744
Method of rehabilitating propeller hub bodies
Inventor:
Seabury B. Waring
Patented Case
View Patent ↗
Granted: Jan 1, 1991
Filed: Dec 11, 1989
Inventor
Seabury B. Waring
Assignee (at issue)
Bird-Johnson Company
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.