Granted Patent
Utility
US 6,796,041 · App. 10/385,219
System for operating one or more lasers to project a visible line onto a grass-covered surface
Inventors:
Alan Amron, Brian K. Dinicola
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Mar 10, 2003
Inventors
Alan Amron
Brian K. Dinicola
Assignee (at issue)
First Down Laser Systems, 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.