Granted Patent
Utility
US 4,549,306 · App. 06/718,821
Sheet metal evaluator
Inventors:
Anthony Shideler, Dwight B. Raddatz
Patented Case
View Patent ↗
Granted: Oct 22, 1985
Filed: Apr 1, 1985
Inventors
Anthony Shideler
Dwight B. Raddatz
Assignee (at issue)
BALL 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.