Granted Patent
Utility
US 5,386,900 · App. 08/111,997
Adjustable infeed design
Inventors:
Roland Horth, Ronald G. Knaub
Patented Case
View Patent ↗
Granted: Feb 7, 1995
Filed: Aug 25, 1993
Inventors
Roland Horth
Ronald G. Knaub
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.