Granted Patent
Utility
US 6,705,047 · App. 09/859,188
Door and door closer assembly
Inventor:
Leon Yulkowski
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: May 16, 2001
Inventor
Leon Yulkowski
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.