Granted Patent
Utility
US 4,891,237 · App. 07/250,020
Expansion and compression compensation mechanism and loaf molding incorporating same
Inventor:
John Rabotski
Patented Case
View Patent ↗
Granted: Jan 2, 1990
Filed: Sep 27, 1988
Inventor
John Rabotski
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.