Granted Patent
Utility
US 6,033,521 · App. 08/869,112
Tilt mechanism for wafer cassette
Inventors:
Robert F. Allen, Ricardo T. Jordan
Patented Case
View Patent ↗
Granted: Mar 7, 2000
Filed: Jun 4, 1997
Inventors
Robert F. Allen
Ricardo T. Jordan
Assignee (at issue)
SpeedFam-IPEC 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.