Granted Patent
Utility
US 4,559,963 · App. 06/605,878
System for feeding liquid substances
Inventors:
Ko Sugisawa, Kazuya Sekiguchi, Masao Taguchi, Masayuki Nakatani, Hitoshi Iwata
Patented Case
View Patent ↗
Granted: Dec 24, 1985
Filed: May 1, 1984
Inventors
Ko Sugisawa
Kazuya Sekiguchi
Masao Taguchi
Masayuki Nakatani
Hitoshi Iwata
Assignee (at issue)
House Food Industrial 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.