Granted Patent
Utility
US 5,113,591 · App. 07/672,683
Device for measuring out-of-roundness
Inventor:
Eugene B. Connelly
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: Mar 20, 1991
Inventor
Eugene B. Connelly
Assignee (at issue)
Crucible Materials 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.