Granted Patent
Utility
US 5,452,522 · App. 08/289,726
Calibrated bevel square with integrated electronic level and plumb
Inventors:
Donald D. Kook, Gary R. Schultheis, John R. Stauss, Douglas R. Grundstrom
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: Aug 12, 1994
Inventors
Donald D. Kook
Gary R. Schultheis
John R. Stauss
Douglas R. Grundstrom
Assignee (at issue)
Zircon 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.