D0303696 cites 6 patents.

Title
Leg exercise machine
Application Number
7/41578
Publication Number
D303696
Application Date
April 23, 1987
Publication Date
September 26, 1989
Inventor
Frederick D Wucherpfennig
Bloomington
MN, US
Robert B Carlson
Bloomington
MN, US
Agent
R Lawrence Buckley
Assignee
The Toro Company
MN, US
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