Granted Patent
Utility
US 6,537,145 · App. 10/125,557
Head gate assembly for restraining livestock
Inventors:
Kenneth L. “Buck” Derouin, Jay A. Parizek, Bryan M. Kleczka, Frank F. Stuckart, Danny G. Klaus
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Apr 18, 2002
Inventors
Kenneth L. “Buck” Derouin
Jay A. Parizek
Bryan M. Kleczka
Frank F. Stuckart
Danny G. Klaus
Assignee (at issue)
American Foods Group
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.