Granted Patent
Utility
US 4,690,307 · App. 06/579,381
Dispensing system with slidable modules
Inventor:
Lawrence R. Hogan
Patented Case
View Patent ↗
Granted: Sep 1, 1987
Filed: Feb 13, 1984
Inventor
Lawrence R. Hogan
Assignee (at issue)
COLE-PARMER INSTRUMENT COMPANY LLC
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.