Granted Patent
Utility
US 4,576,842 · App. 06/590,791
Cookware formed from a laminate
Inventors:
Tyler F. Hartsing, Jr., Marvin E. Sauers, Lloyd M. Robeson
Patented Case
View Patent ↗
Granted: Mar 18, 1986
Filed: Mar 19, 1984
Inventors
Tyler F. Hartsing, Jr.
Marvin E. Sauers
Lloyd M. Robeson
Assignee (at issue)
Union Carbide 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.