Granted Patent
Utility
US 5,421,535 · App. 08/027,808
Method and apparatus for automatically winding scrap metallic strip material
Inventors:
Dave P. Hemmert, Robert L. Clune
Patented Case
View Patent ↗
Granted: Jun 6, 1995
Filed: Mar 8, 1993
Inventors
Dave P. Hemmert
Robert L. Clune
Assignee (at issue)
Stamco Division, Monarch Machine Tool Co.
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.