Granted Patent
Utility
US 4,648,540 · App. 06/695,963
Size independent modular web processing line and modules
Inventor:
Leonard R. Steidel
Patented Case
View Patent ↗
Granted: Mar 10, 1987
Filed: Jan 29, 1985
Inventor
Leonard R. Steidel
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.