Granted Patent
Utility
US 6,116,812 · App. 09/344,718
Snowplowable pavement marker
Inventor:
Peter Hedgewick
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: Jun 25, 1999
Inventor
Peter Hedgewick
Assignee (at issue)
PacTec, 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.