Granted Patent
Utility
US 6,780,084 · App. 10/378,306
Method for honing blind bores in workpieces
Inventors:
Richard F. Moellenberg, Jr., John J. Schimweg, David M. Moehn
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Mar 3, 2003
Inventors
Richard F. Moellenberg, Jr.
John J. Schimweg
David M. Moehn
Assignee (at issue)
Sunnen Products 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.