Granted Patent
Utility
US 4,229,099 · App. 05/972,608
Method and apparatus for burning or dodging preselected portions of an image formed on photographic paper
Inventor:
Ronald C. Watkins
Patented Case
View Patent ↗
Granted: Oct 21, 1980
Filed: Dec 22, 1978
Inventor
Ronald C. Watkins
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.