Granted Patent
Utility
US 6,612,358 · App. 09/861,933
Dual track storm door
Inventors:
Bill R. Hay, Kelly D. Nordgaard, Allen E. Lee, Bryan P. Zacher
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: May 21, 2001
Inventors
Bill R. Hay
Kelly D. Nordgaard
Allen E. Lee
Bryan P. Zacher
Assignee (at issue)
Larson Manufacturing Company
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.