Granted Patent
Utility
US 5,032,866 · App. 07/491,535
Additive color lamphouse
Inventors:
John Shoden, Gary Lakeberg, Charles Yancey
Patented Case
View Patent ↗
Granted: Jul 16, 1991
Filed: Mar 12, 1990
Inventors
John Shoden
Gary Lakeberg
Charles Yancey
Assignee (at issue)
Photo Control 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.