Granted Patent
Utility
US 4,734,743 · App. 07/038,373
Light tight slidable transport for transferring light sensitive materials
Inventor:
Edward G. Gregory, Sr.
Patented Case
View Patent ↗
Granted: Mar 29, 1988
Filed: Apr 15, 1987
Inventor
Edward G. Gregory, Sr.
Assignee (at issue)
LogEtronics, 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.