Jumping equipment
United States Patent 3065962
US Patent References:
/0406328.html
- - 0406328

Airplane
- - 1786136

Extensible device
- - 1962585

Stilt
- - 2351145

Mechanical jumping stick
- - 2510509


Inventors:
Hoffmeister, Ernst W.
Publication Date:
11/27/1962
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Assignee:
Hoffmeister, Ernst W.
Primary Class:
482/75
Other Classes:
267/292, 623/28, 482/77
International Classes:
A63B25/08; A63B25/00
US Patent References:
2783997Pogo stick
2899685
Foreign References:
DE440318C
AT92564B