Granted Patent
Utility
US 6,196,263 · App. 09/240,644
Methods and apparatus for metering flowable material
Inventors:
Keith F. Woodruff, Gottfried Metzler, III
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: Jan 29, 1999
Inventors
Keith F. Woodruff
Gottfried Metzler, III
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.