Granted Patent
Utility
US 6,521,249 · App. 09/814,910
Feedstock for prepartum dairy cattle
Inventors:
Elliot Block, William K. Sanchez, Kenneth R. Cummings
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Mar 22, 2001
Inventors
Elliot Block
William K. Sanchez
Kenneth R. Cummings
Assignee (at issue)
Church & Dwight Co., 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.