United States Patent 1187779

View Patent Images:
Download PDF 1187779 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Primary Class:
102/530
Other Classes:
102/285, 968/659, 60/39.470, 968/102, 968/697, 102/283
International Classes:
F42B5/16; F42B5/38; F42B5/00