Granted Patent
Utility
US 5,865,670 · App. 08/941,777
Wafer demount apparatus
Inventors:
Kenneth A. Frank, Roger Paul Durkee, Francis Richard Bronson, Richard William Heim
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Sep 30, 1997
Inventors
Kenneth A. Frank
Roger Paul Durkee
Francis Richard Bronson
Richard William Heim
Assignee (at issue)
MEMC Electronic Materials, 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.