Granted Patent
Utility
US 5,281,248 · App. 08/020,951
VAd process improvements
Inventors:
Eric L. Barish, David E. Schoonmaker
Patented Case
View Patent ↗
Granted: Jan 25, 1994
Filed: Feb 22, 1993
Inventors
Eric L. Barish
David E. Schoonmaker
Assignee (at issue)
Litespec, 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.