Granted Patent
Utility
US 6,131,356 · App. 09/231,908
Muntin bar clip
Inventor:
Gerald G. Gieseke
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Jan 14, 1999
Inventor
Gerald G. Gieseke
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.