Granted Patent
Utility
US 4,940,040 · App. 07/304,368
Adjustable cooking oven
Inventors:
James E. Randall, Ronald D. Lemke, Robert A. Mesteller
Patented Case
View Patent ↗
Granted: Jul 10, 1990
Filed: Jan 31, 1989
Inventors
James E. Randall
Ronald D. Lemke
Robert A. Mesteller
Assignee (at issue)
STEIN & CO. GmbH
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.