Granted Patent
Utility
US 5,331,775 · App. 07/941,544
Honing process with rough honing tool and finish honing tool on same rotating head
Inventors:
Guy H. Carmichael, James B. Tyler
Patented Case
View Patent ↗
Granted: Jul 26, 1994
Filed: Sep 8, 1992
Inventors
Guy H. Carmichael
James B. Tyler
Assignee (at issue)
Jason Incorporated
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.