Granted Patent
Utility
US 4,466,852 · App. 06/546,215
Method and apparatus for demounting wafers
Inventors:
Richard K. Beltz, Donald M. Large, Daniel D. Leffel
Patented Case
View Patent ↗
Granted: Aug 21, 1984
Filed: Oct 27, 1983
Inventors
Richard K. Beltz
Donald M. Large
Daniel D. Leffel
Assignee (at issue)
AT&T Technologies Incorporated
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.