Granted Patent
Utility
US 6,504,659 · App. 09/862,358
Slipface lens
Inventors:
Christopher I. Walker, Roman C. Gutierrez
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: May 22, 2001
Inventors
Christopher I. Walker
Roman C. Gutierrez
Assignee (at issue)
SiWave, 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.