Granted Patent
Utility
US 4,034,972 · App. 05/609,172
Examination table
Inventor:
Warren J. Peterson
Patented Case
View Patent ↗
Granted: Jul 12, 1977
Filed: Sep 2, 1975
Inventor
Warren J. Peterson
Assignee (at issue)
Joerns Furniture Company
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.