Interchangeable casing wrist watch
United States Patent 2605604
Inventors:
Lavigna, Marcel G.
Publication Date:
08/05/1952
Assignee:
Lavigna, Marcel G.
International Classes:
G04B47/04; G04B47/00
Foreign References:
| GB191420696A | | | | |
| CH42578A | | | | |
| FR439336A | | | | |
| GB532616A | | | | |