Granted Patent
Utility
US 6,434,789 · App. 09/861,824
Sliding glass door track engagement and method
Inventor:
Frederick W. Kruse
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: May 21, 2001
Inventor
Frederick W. Kruse
Assignee (at issue)
PGT Industries, 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.