Granted Patent
Utility
US 4,442,495 · App. 06/274,355
Real time toroidal pan
Inventor:
Josef Sukonick
Patented Case
View Patent ↗
Granted: Apr 10, 1984
Filed: Jun 17, 1981
Inventor
Josef Sukonick
Assignee (at issue)
Cadtrak 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.