Granted Patent
Utility
US 6,202,388 · App. 09/186,930
Controlled environment sealing apparatus and method
Inventors:
James J. Sanfilippo, John E. Sanfilippo
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Nov 6, 1998
Inventors
James J. Sanfilippo
John E. Sanfilippo
Assignee (at issue)
Jescorp, 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.