Granted Patent
Utility
US 6,198,537 · App. 08/893,538
Optical inspection system for the manufacture of banded cigarette paper
Inventors:
Gordon H. Bokelman, Thomas A. Fletcher, D. Anh Phan, Yeu-Hwa Shyy, Ernest S. Houck
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: Jul 11, 1997
Inventors
Gordon H. Bokelman
Thomas A. Fletcher
D. Anh Phan
Yeu-Hwa Shyy
Ernest S. Houck
Assignee (at issue)
Philip Morris Inc.
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.