Granted Patent
Utility
US 6,474,848 · App. 09/907,344
Adjustable light
Inventors:
Ronald W. Lahner, Mark E. Lahner
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Jul 17, 2001
Inventors
Ronald W. Lahner
Mark E. Lahner
Assignee (at issue)
The Pennsylvania Globe Gaslight Co.
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.