Granted Patent
Utility
US 6,051,814 · App. 09/114,614
Cigar lighter with PTC thermal protection
Inventor:
Ali El-Haj
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Jul 13, 1998
Inventor
Ali El-Haj
Assignee (at issue)
CASCO PRODUCTS 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.