Granted Patent
Utility
US 6,014,848 · App. 09/182,963
Retrofit parking garage expansion joint cover
Inventor:
Johnnie Daniel Hilburn, Jr.
Patented Case
View Patent ↗
Granted: Jan 18, 2000
Filed: Oct 30, 1998
Inventor
Johnnie Daniel Hilburn, Jr.
Assignee (at issue)
Balco/Metalines
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.