United States Patent 2573745
Inventors:
Henri, Wallenberg Victor
Publication Date:
11/06/1951
Assignee:
Henri, Wallenberg Victor
Other Classes:
114/102.180, 114/61.250, D21/544
International Classes:
B63B17/04; B63B41/00; B63H9/10; B63B17/00; B63H9/00
US Patent References:
| 0210573 | N/A | | | |
| 0189459 | N/A | | | |
| 0036099 | N/A | | | |