Granted Patent
Utility
US 6,484,462 · App. 09/781,495
Seismic expansion joint cover
Inventors:
Thomas A. Shreiner, Roger W. Barr
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Feb 12, 2001
Inventors
Thomas A. Shreiner
Roger W. Barr
Assignee (at issue)
Construction Specialties, LLC
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.