Granted Patent
Utility
US 4,380,412 · App. 06/063,036
Lap shaping machine with oscillatable point cutter and selectively rotatable or oscillatable lap
Inventor:
Thomas A. Walsh
Patented Case
View Patent ↗
Granted: Apr 19, 1983
Filed: Aug 2, 1979
Inventor
Thomas A. Walsh
Assignee (at issue)
R. Howard Strasbaugh, 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.