Granted Patent
Utility
US 4,744,348 · App. 06/929,688
Dressing apparatus for grinding wheels
Inventors:
Hideaki Oda, Akira Unozawa
Patented Case
View Patent ↗
Granted: May 17, 1988
Filed: Nov 12, 1986
Inventors
Hideaki Oda
Akira Unozawa
Assignee (at issue)
Diesel Kiki Co., Ltd.
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.