Granted Patent
Utility
US 4,295,885 · App. 05/941,513
Material and method for securing boron filaments to each other and to a substrate and cutting tools therefrom
Inventor:
William T. Kaarlela
Patented Case
View Patent ↗
Granted: Oct 20, 1981
Filed: Sep 11, 1978
Inventor
William T. Kaarlela
Assignee (at issue)
General Dynamics Corporation
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.