Granted Patent
Utility
US 4,091,979 · App. 05/671,534
Methods and apparatus for precision guiding a web
Inventor:
Lewis B. Browder
Patented Case
View Patent ↗
Granted: May 30, 1978
Filed: Mar 29, 1976
Inventor
Lewis B. Browder
Assignee (at issue)
Bell and Howell, LLC
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.