Granted Patent
Utility
US 5,157,897 · App. 07/804,466
Rotary capping machine
Inventors:
Kyle A. McKee, Bryan M. Hankel
Patented Case
View Patent ↗
Granted: Oct 27, 1992
Filed: Dec 5, 1991
Inventors
Kyle A. McKee
Bryan M. Hankel
Assignee (at issue)
Aluminum Company of America
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.