Granted Patent
Utility
US 4,915,802 · App. 07/362,495
Method for making low alpha count lead
Inventors:
John A. Dunlop, Edward F. G. Milner, Robert W. Smyth, Gerald W. Toop
Patented Case
View Patent ↗
Granted: Apr 10, 1990
Filed: Jun 7, 1989
Inventors
John A. Dunlop
Edward F. G. Milner
Robert W. Smyth
Gerald W. Toop
Assignee (at issue)
Comino Ltd.
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.