Granted Patent
Utility
US 6,027,397 · App. 08/845,678
Dual element lapping guide system
Inventors:
Mark A. Church, Alain M. L. Desouches
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Apr 25, 1997
Inventors
Mark A. Church
Alain M. L. Desouches
Assignee (at issue)
International Business Machines Corporation
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.