Granted Patent
Utility
US 4,433,968 · App. 06/357,837
Round top rimming machine
Inventor:
Eugene A. Koll
Patented Case
View Patent ↗
Granted: Feb 28, 1984
Filed: Mar 15, 1982
Inventor
Eugene A. Koll
Assignee (at issue)
Champion International Corporation Limited
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.