Granted Patent
Utility
US 4,599,832 · App. 06/688,795
Extendible structures
Inventors:
Max D. Benton, William M. Robbins
Patented Case
View Patent ↗
Granted: Jul 15, 1986
Filed: Jan 4, 1985
Inventors
Max D. Benton
William M. Robbins
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.