Granted Patent
Utility
US 5,993,577 · App. 09/148,192
Lead-free, heavy-metal-free rim-fire priming composition dedicated for Ralph B. Lynn
Inventors:
Jack Erickson, John M. Melberg, Joel Sandstrom
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Sep 4, 1998
Inventors
Jack Erickson
John M. Melberg
Joel Sandstrom
Assignee (at issue)
Federal Cartridge Company
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.