Granted Patent
Utility
US 4,734,256 · App. 06/854,455
Wetting of low melting temperature solders by surface active additions
Inventors:
Howard H. Liebermann, Debasis Bose
Patented Case
View Patent ↗
Granted: Mar 29, 1988
Filed: Apr 21, 1986
Inventors
Howard H. Liebermann
Debasis Bose
Assignee (at issue)
AlliedSignal, 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.