Spherical amusement device
United States Patent 3000022
US Patent References:
/0706803.html
- - 0706803

/0977959.html
- - 0977959

/1303872.html
- - 1303872

Air cushion bottom for boats
- - 2110512

Lifesaving craft
- - 2129742


Inventors:
Cathey, Carrol M.
Finch, William H.
Bechtold, Alwyn R.
Publication Date:
09/19/1961
View Patent Images:
Download PDF 3000022 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Cathey, Carrol M.
Finch, William H.
Bechtold, Alwyn R.
Primary Class:
441/65
Other Classes:
220/4.250, 220/4.210, 280/206
International Classes:
A63B19/02; A63B19/00
US Patent References:
2312548Boat hull construction
2887978Keel for planing-type boat hulls
Foreign References:
FR1015043A
FR1109206A