Granted Patent
Utility
US 6,068,802 · App. 09/122,356
Method for making foam filled doors and apparatus therefor
Inventors:
David M. Berghorn, John Martini
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Jul 24, 1998
Inventors
David M. Berghorn
John Martini
Assignee (at issue)
THE STANLEY WORKS LTD
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.