Granted Patent
Utility
US 6,301,843 · App. 09/542,372
Muntin joint
Inventor:
Arthur Silverman
Patented Case
View Patent ↗
Granted: Oct 16, 2001
Filed: Apr 4, 2000
Inventor
Arthur Silverman
Assignee (at issue)
Silverline Building Products Corp.
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.