Granted Patent
Utility
US 4,513,898 · App. 06/360,945
Web loop control apparatus and method
Inventor:
Merlin D. Spitsbergen
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: Mar 22, 1982
Inventor
Merlin D. Spitsbergen
Assignee (at issue)
Centronics Data Computer Corporation
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.