Granted Patent
Utility
US 5,549,024 · App. 08/380,105
Clamshell pipe lathe having improved bearing arrangement
Inventor:
Donato L. Ricci
Patented Case
View Patent ↗
Granted: Aug 27, 1996
Filed: Jan 30, 1995
Inventor
Donato L. Ricci
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.