Granted Patent
Utility
US 5,137,685 · App. 07/662,876
Machinable copper alloys having reduced lead content
Inventors:
David D. McDevitt, Jacob Crane, John F. Breedis, Ronald N. Caron, Frank N. Mandigo, Joseph Saleh
Patented Case
View Patent ↗
Granted: Aug 11, 1992
Filed: Mar 1, 1991
Inventors
David D. McDevitt
Jacob Crane
John F. Breedis
Ronald N. Caron
Frank N. Mandigo
Joseph Saleh
Assignee (at issue)
Olin 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.