Granted Patent
Utility
US 4,540,437 · App. 06/653,996
Tin alloy powder for sintering
Inventor:
Krishnakant B. Patel
Patented Case
View Patent ↗
Granted: Sep 10, 1985
Filed: Sep 25, 1984
Inventor
Krishnakant B. Patel
Assignee (at issue)
Alcan Aluminum 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.