Granted Patent
Utility
US 4,963,201 · App. 07/463,234
Primer composition
Inventors:
Robert K. Bjerke, James P. Ward, Delbert O. Ells, Kenneth P. Kees
Patented Case
View Patent ↗
Granted: Oct 16, 1990
Filed: Jan 10, 1990
Inventors
Robert K. Bjerke
James P. Ward
Delbert O. Ells
Kenneth P. Kees
Assignee (at issue)
Blount, 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.