SWIMMING FIN
United States Patent 3422470
US Patent References:
Swimming fins or flippers
- - 3055025
Swimmer's foot-fin with thrust-accelerating device
- - 3183529
Swimming fins or flippers
- - 3055025
Swimmer's foot-fin with thrust-accelerating device
- - 3183529
Inventors:
Mares, Lodovico
Publication Date:
01/21/1969
View Patent Images:
Export Citation:
Assignee:
Mares, Lodovico
Primary Class:
International Classes:
A63B31/11; A63B31/00; A63B31/10
Foreign References:
| IT444567B | ||||
| FR1407570A |