Granted Patent
Utility
US 6,734,900 · App. 09/189,852
Real time camera and lens control system for image depth of field manipulation
Inventor:
Christopher A. Mayhew
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Nov 12, 1998
Inventor
Christopher A. Mayhew
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.