Granted Patent
Utility
US 4,608,102 · App. 06/671,442
Primer composition
Inventors:
Adalbert A. Krampen, Delbert O. Ells, Robert K. Bjerke, James P. Ward
Patented Case
View Patent ↗
Granted: Aug 26, 1986
Filed: Nov 14, 1984
Inventors
Adalbert A. Krampen
Delbert O. Ells
Robert K. Bjerke
James P. Ward
Assignee (at issue)
Omark Industries, 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.