Granted Patent
Utility
US 6,397,453 · App. 09/726,303
System for fabricating muntin bars from sheet material
Inventors:
Timothy B. McGlinchy, Mohamed Khalfoun, John Grismer, Michael J. Gardner
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Nov 28, 2000
Inventors
Timothy B. McGlinchy
Mohamed Khalfoun
John Grismer
Michael J. Gardner
Assignee (at issue)
Glass Equipment Development, 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.