Granted Patent
Utility
US 6,251,442 · App. 09/423,603
Feed composition for broilers and method for breeding broilers
Inventors:
Tomoya Aoyama, Yasuaki Sugimoto
Patented Case
View Patent ↗
Granted: Jun 26, 2001
Filed: Nov 12, 1999
Inventors
Tomoya Aoyama
Yasuaki Sugimoto
Assignee (at issue)
Idemitsu Petrochemical Co., Ltd.
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.