Granted Patent
Utility
US 6,599,072 · App. 09/831,707
Corrosion resisting screw with cutting insert
Inventor:
Anton Gerhard
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Aug 13, 2001
Inventor
Anton Gerhard
Assignee (at issue)
Toge-Dübel A. Gerhard KG
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.