Granted Patent
Utility
US 6,076,991 · App. 09/078,799
End cap system for scaffolding planks
Inventors:
Stig Karlsen, Roger Frank
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: May 14, 1998
Inventors
Stig Karlsen
Roger Frank
Assignee (at issue)
Safway Steel Products, 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.