Granted Patent
Utility
US 4,948,249 · App. 07/065,573
Headlight aiming and light pattern testing apparatus and method
Inventors:
Ross E. Hopkins, John Jay Humbard
Patented Case
View Patent ↗
Granted: Aug 14, 1990
Filed: Jun 23, 1987
Inventors
Ross E. Hopkins
John Jay Humbard
Assignee (at issue)
Hopkins Manufacturing Corporation
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.