The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 11, 1990
Filed:
May. 10, 1989
Applicant:
Inventor:
Steven H Petrofsky, Dayton, OH (US);
Assignee:
Therapeutic Technologies Inc., Tampa, FL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61N / ;
U.S. Cl.
CPC ...
128421 ; 1284 / ; 128422 ;
Abstract
An electrical muscle stimulator is disclosed which provides unloaded isometric exercise of a pair of antagonist muscles associated with a rotatable limb, substantially without creating torque at the rotating joint. Further, a reduced pain stimulus signal is disclosed characterized in that it is continuous, biphasic and camel-back during a fundamental period thereof.