Granted Patent
Utility
US 5,226,242 · App. 07/837,221
Vapor jet dryer apparatus and method
Inventor:
Robert S. Schwenkler
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Feb 18, 1992
Inventor
Robert S. Schwenkler
Assignee (at issue)
Santa Clara Plastics, division of Preco, 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.