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:
Jun. 09, 1981
Filed:
Dec. 11, 1978
Applicant:
Inventors:
Robert C Burgener, Columbus, OH (US);
Philip T Martin, Columbus, OH (US);
Assignee:
Interlake, Inc., Oak Brook, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P / ;
U.S. Cl.
CPC ...
318139 ; 318258 ; 318302 ; 318434 ;
Abstract
Improved logic circuitry combined with an efficient and economical motor controller which enables a DC motor to reverse the direction of a vehicle and to maintain the speed of the vehicle within narrow speed boundaries during acceleration, deceleration and constant speed conditions.