Document Type and Number:
United States Patent 1004660


View Patent Images:
Images are available in PDF form when logged in. To view PDFs, Login  or  Create Account (Free!)
Referenced by:
View patents that cite this patent
Export Citation:
Click for automatic bibliography generation
Primary Class:
118/71
Other Classes:
118/267, 40/416, 446/151, 15/184, 118/256




<- Previous Patent   |   Next Patent ->