Granted Patent
Utility
US 4,655,007 · App. 06/874,462
Honing apparatus
Inventors:
Richard P. Graft, Gary I. Smith
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: Jun 16, 1986
Inventors
Richard P. Graft
Gary I. Smith
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.