Granted Patent
Utility
US 4,584,803 · App. 06/628,292
High strength cellular metal floor raceway system
Inventor:
Thomas G. Ryan
Patented Case
View Patent ↗
Granted: Apr 29, 1986
Filed: Jul 5, 1984
Inventor
Thomas G. Ryan
Assignee (at issue)
Cyclops 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.