Granted Patent
Utility
US 4,313,336 · App. 06/084,874
Anchor structure
Inventors:
Leonard F. Eck, Michael F. Lamb
Patented Case
View Patent ↗
Granted: Feb 2, 1982
Filed: Oct 15, 1979
Inventors
Leonard F. Eck
Michael F. Lamb
Assignee (at issue)
Kansas Jack, 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.