Granted Patent
Utility
US 5,897,401 · App. 08/886,601
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Inventors:
John D. Fili, Edward Putnam
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Jul 1, 1997
Inventors
John D. Fili
Edward Putnam
Assignee (at issue)
Solid State Stamping, 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.