Granted Patent
Utility
US 5,975,368 · App. 09/019,056
Bi-modal dispensing system for particulate material
Inventor:
Christopher J. Wood
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Feb 5, 1998
Inventor
Christopher J. Wood
Assignee (at issue)
AptarGroup, 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.