Granted Patent
Utility
US 4,897,930 · App. 07/293,045
Precision parallel mechanical float
Inventor:
Robert F. Cusack
Patented Case
View Patent ↗
Granted: Feb 6, 1990
Filed: Jan 3, 1989
Inventor
Robert F. Cusack
Assignee (at issue)
GTE Valenite 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.