Granted Patent
Utility
US 4,580,856 · App. 06/487,562
Composite clamping shell for electric cigar lighters
Inventors:
Brooke N. Westover, John Comerford, Donald J. Mattis
Patented Case
View Patent ↗
Granted: Apr 8, 1986
Filed: Apr 22, 1983
Inventors
Brooke N. Westover
John Comerford
Donald J. Mattis
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.