Granted Patent
Utility
US 4,562,728 · App. 06/677,764
Absolute compression test
Inventor:
George Timmerman
Patented Case
View Patent ↗
Granted: Jan 7, 1986
Filed: Dec 3, 1984
Inventor
George Timmerman
Assignee (at issue)
UNITED TECHNOLOGIES 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.