Granted Patent
Utility
US 4,813,202 · App. 07/053,199
Structural members connected by interdigitating portions
Inventor:
Robert E. Anderson
Patented Case
View Patent ↗
Granted: Mar 21, 1989
Filed: May 22, 1987
Inventor
Robert E. Anderson
Assignee (at issue)
Grumman Aerospace 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.