Granted Patent
Utility
US 5,727,613 · App. 08/745,692
Ladder for venetian type blinds
Inventor:
Ren Judkins
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Nov 12, 1996
Inventor
Ren Judkins
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.