Granted Patent
Utility
US 5,108,554 · App. 07/780,402
Continuous method for preparing steel parts for resin coating
Inventor:
Danny J. Deters
Patented Case
View Patent ↗
Granted: Apr 28, 1992
Filed: Oct 17, 1991
Inventor
Danny J. Deters
Assignee (at issue)
Collis, 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.