Granted Patent
Utility
US 4,714,014 · App. 06/833,637
Automatic crimping mechanism for proteinaceous patties
Inventors:
Carroll P. Hartl, James M. Heitman
Patented Case
View Patent ↗
Granted: Dec 22, 1987
Filed: Feb 25, 1986
Inventors
Carroll P. Hartl
James M. Heitman
Assignee (at issue)
Oscar Mayer Foods Corporation
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.