Granted Patent
Utility
US 6,762,415 · App. 10/419,035
Vacuum chamber with recessed viewing tube and imaging device situated therein
Inventor:
David Strait
Patented Case
View Patent ↗
Granted: Jul 13, 2004
Filed: Apr 18, 2003
Inventor
David Strait
Assignee (at issue)
Imago Scientific Instruments 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.