Granted Patent
Utility
US 5,547,528 · App. 08/451,559
Non-toxic primer
Inventors:
Jack Erickson, Robert L. Kramer, John M. Hallis
Patented Case
View Patent ↗
Granted: Aug 20, 1996
Filed: May 26, 1995
Inventors
Jack Erickson
Robert L. Kramer
John M. Hallis
Assignee (at issue)
Federal-Hoffman 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.