Document Type and Number:
United States Patent 1116617

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:
292/139
Other Classes:
292/DIG.031, 292/147
International Classes:
E05C1/06; E05C1/00




<- Previous Patent   |   Next Patent ->