Granted Patent
Utility
US 5,526,573 · App. 08/384,130
Device for circumscribing circles and ellipses
Inventors:
Alan R. Peters, Vincent T. Kozyrski
Patented Case
View Patent ↗
Granted: Jun 18, 1996
Filed: Feb 6, 1995
Inventors
Alan R. Peters
Vincent T. Kozyrski
Assignee (at issue)
The Fletcher-Terry Company, LLC
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.