Granted Patent
Utility
US 5,300,331 · App. 08/019,824
Method and apparatus for UV curing thick pigmented coatings
Inventor:
William R. Schaeffer
Patented Case
View Patent ↗
Granted: Apr 5, 1994
Filed: Feb 19, 1993
Inventor
William R. Schaeffer
Assignee (at issue)
Fusion Systems 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.