Granted Patent
Utility
US 4,449,328 · App. 06/346,109
Inside, outside honing tool
Inventors:
Robert H. Gillette, Terrence N. Brammall, Kent Shelton, Chris Cramer
Patented Case
View Patent ↗
Granted: May 22, 1984
Filed: Feb 5, 1982
Inventors
Robert H. Gillette
Terrence N. Brammall
Kent Shelton
Chris Cramer
Assignee (at issue)
BRAMMALL, INC.
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.