Granted Patent
Utility
US 4,554,771 · App. 06/626,887
Field-assembled cellular decking unit
Inventors:
Ashok Marwah, Charles H. Norris, Jr.
Patented Case
View Patent ↗
Granted: Nov 26, 1985
Filed: Jul 2, 1984
Inventors
Ashok Marwah
Charles H. Norris, Jr.
Assignee (at issue)
H. H. Robertson Company
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.