Title:
Spring cushioning insole
United States Patent 2668374
Inventors:
William, Seigle
Publication Date:
02/09/1954
Export Citation:
Click for automatic bibliography generation
Assignee:
William, Seigle
Primary Class:
36/28
International Classes:
A43B13/18; A43B13/18
View Patent Images:
Download PDF 2668374        PDF help
US Patent References:
2437227Cushioned shoe sole
1502087Boot or shoe
1194152N/A
Foreign References:
GB608180A