Granted Patent
Utility
US 5,505,129 · App. 08/433,117
Web width tracking
Inventors:
Ronald Ewald Greb, George E. Ilott
Patented Case
View Patent ↗
Granted: Apr 9, 1996
Filed: May 3, 1995
Inventors
Ronald Ewald Greb
George E. Ilott
Assignee (at issue)
MacMillan Bloedel Limited
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.