Granted Patent
Utility
US 4,606,132 · App. 06/705,948
Digital electronic inclination gauge
Inventors:
Michael S. Briney, Jeffrey C. Heidel, Harold L. Swartz
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: Feb 26, 1985
Inventors
Michael S. Briney
Jeffrey C. Heidel
Harold L. Swartz
Assignee (at issue)
Sperry Corp.
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.