Title:
Sea anchor apparatus
United States Patent 2536682
Inventors:
Frieder, Leonard P.
Finken, Walter S.
Publication Date:
01/02/1951
International Classes:
B63B21/48; B63B21/24
Foreign References:
| GB189001180A | | | | |
| GB188402628A | | | | |
| GB188304475A | | | | |
| GB189015699A | | | | |
| GB176406A | | | | |
| GB226851A | | | | |
| FR496440A | | | | |