Granted Patent
Utility
US 5,878,618 · App. 08/801,439
Machine for bending sheet and plate metal through dual wedge system
Inventor:
Leo H. Stalzer
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Feb 18, 1997
Inventor
Leo H. Stalzer
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.