Granted Patent
Utility
US 5,832,618 · App. 08/690,827
Combination level and T-square
Inventor:
Dane Scarborough
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Aug 1, 1996
Inventor
Dane Scarborough
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.