Pitch and roll vessel
United States Patent 2782560
US Patent References:
Wind-clutch
- - 1377008

Toy boat
- - 1613941


Inventors:
Pollnitz, John A.
Publication Date:
02/26/1957
View Patent Images:
Download PDF 2782560 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Pollnitz, John A.
Primary Class:
40/429
Other Classes:
472/83
International Classes:
A63H33/00