Granted Patent
Utility
US 4,097,625 · App. 05/807,661
Low melting temperature metal coating process, apparatus and product
Inventors:
Norman Laurence Lunn, Charles Jeffrey McCrea, Raymond David Pregaman, Lawrence E. Turowski
Patented Case
View Patent ↗
Granted: Jun 27, 1978
Filed: Jun 17, 1977
Inventors
Norman Laurence Lunn
Charles Jeffrey McCrea
Raymond David Pregaman
Lawrence E. Turowski
Assignee (at issue)
St. Joe Minerals 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.