Granted Patent
Utility
US 6,702,228 · App. 10/195,299
Film reel
Inventors:
Larry M. Zide, Helmut E. Dorausch
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Jul 16, 2002
Inventors
Larry M. Zide
Helmut E. Dorausch
Assignee (at issue)
Filmtreat West Corp.
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.