Device for varying curvature of boat keels
United States Patent 2612129
US Patent References:
/RE07044.html
- - RE07044
/0065255.html
- - 0065255
/0148726.html
- - 0148726
/0230286.html
- - 0230286
/0512662.html
- - 0512662
/RE07044.html
- - RE07044
/0065255.html
- - 0065255
/0148726.html
- - 0148726
/0230286.html
- - 0230286
/0512662.html
- - 0512662
Inventors:
Burch, Loren P.
Publication Date:
09/30/1952
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Assignee:
Burch, Loren P.
Primary Class:
Other Classes:
114/62, 114/43, 114/83, 114/65R, 114/355
International Classes:
B63B1/32; B63B1/00
US Patent References:
Foreign References:
| GB189000554A |