Title:
Antislip device
United States Patent 2138171
Inventors:
Johnson, Conrad B.
Publication Date:
11/29/1938
Export Citation:
Click for automatic bibliography generation
Assignee:
Johnson, Conrad B.
Primary Class:
182/111
Other Classes:
182/46
International Classes:
E06C7/48; E06C7/00
View Patent Images:
Download PDF 2138171        PDF help