Granted Patent
Utility
US 6,397,142 · App. 09/832,523
Tertiary operation for repairing irregularities
Inventor:
Ira Louis Greenstein
Patented Case
View Patent ↗
Granted: May 28, 2002
Filed: Apr 11, 2001
Inventor
Ira Louis Greenstein
Assignee (at issue)
CALEB Technologies Corp.
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.