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:
Feb. 19, 1991
Filed:
Jul. 21, 1989
Applicant:
Inventor:
Steven J Knight, Mapleton, MN (US);
Assignee:
Johnson Fishing, Inc., Mankato, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S / ;
U.S. Cl.
CPC ...
367111 ; 367173 ;
Abstract
A depth finding-trolling system for measuring the water depth and operating a trolling motor. The depth finder and trolling motor are configured within a unitary structure having dimensions of a conventional trolling motor. The depth finder includes an automatic gain circuit and a display including one or more arrays of information operatives representing depth measurement.