United States Patent 0452830

View Patent Images:
Download PDF 0452830 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Primary Class:
224/220
Other Classes:
59/93, 70/457, D11/5, 224/915, 70/456R, D11/8, 24/3.200, 24/299, 24/3.130
International Classes:
A45F5/02; A45F5/00