Granted Patent
Utility
US 4,664,521 · App. 06/707,267
Birdswing defect detection for glass containers
Inventors:
Paul F. Scott, Dale Brady
Patented Case
View Patent ↗
Granted: May 12, 1987
Filed: Mar 1, 1985
Inventors
Paul F. Scott
Dale Brady
Assignee (at issue)
Emhart Industries, Inc.
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.