Granted Patent
Utility
US 6,819,411 · App. 09/355,461
Optical apparatus
Inventors:
Johnathan Charles Sharpe, Peter Niven Schaare
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Sep 17, 1999
Inventors
Johnathan Charles Sharpe
Peter Niven Schaare
Assignee (at issue)
XY, LLC
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.