Granted Patent
Utility
US 6,195,933 · App. 09/243,281
Delivery system for fluid material
Inventor:
Keith F. Woodruff
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: Feb 2, 1999
Inventor
Keith F. Woodruff
Assignee (at issue)
American Cyanamid 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.