04050310 is referenced by 30 patents and cites 5 patents.

An exercising apparatus having a member adapted to receive the application of muscular force thereagainst, a frame mounting the member for movement along a path of travel, a mechanism for resisting movement of the member along the path of travel, and a recording device connected to the mechanism for recording the force applied to the member in relation to the position of the member along the path.

Title
Exercising apparatus
Application Number
5/667611
Publication Number
4050310
Application Date
March 17, 1976
Publication Date
September 27, 1977
Inventor
Dennis L Keiser
14634 E. Annadale Ave., Sanger, 93657
CA, US
Agent
Huebner & Worrel
IPC
A63B 21/20
G01L 5/02
View Original Source