Granted Patent
Utility
US 4,521,944 · App. 06/573,186
Dowel-aligned multiple plate stuffer box crimper construction for filter tow
Inventor:
Bruce W. Stockbridge
Patented Case
View Patent ↗
Granted: Jun 11, 1985
Filed: Jan 23, 1984
Inventor
Bruce W. Stockbridge
Assignee (at issue)
EASTMAN KODAK COMPANY
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.