Granted Patent
Utility
US 4,881,889 · App. 07/331,354
Arcuate mold element for rotary dough molder
Inventors:
Albert Spiel, James Roe, Henry C. Spanier
Patented Case
View Patent ↗
Granted: Nov 21, 1989
Filed: Mar 31, 1989
Inventors
Albert Spiel
James Roe
Henry C. Spanier
Assignee (at issue)
Nabisco Brands, 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.