Granted Patent
Utility
US 6,464,785 · App. 09/582,421
Rotary applicator head
Inventor:
Wolfgang Puffe
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Aug 16, 2000
Inventor
Wolfgang Puffe
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.