Granted Patent
Utility
US 6,186,731 · App. 09/241,665
Removable feedgate
Inventors:
Robert V. Vickers, E. Kent Daniels, Jr.
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Feb 1, 1999
Inventors
Robert V. Vickers
E. Kent Daniels, Jr.
Assignee (at issue)
Louis Berkman Company
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.