Granted Patent
Utility
US 4,692,338 · App. 06/716,609
Milk substitute
Inventors:
Sheila M. Irvine, Alistair Penman, Geoffrey B. Wood
Patented Case
View Patent ↗
Granted: Sep 8, 1987
Filed: Mar 28, 1985
Inventors
Sheila M. Irvine
Alistair Penman
Geoffrey B. Wood
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.