Trademarks = 1

Forward Citations = 103

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1 inventor (with patents filed for the assignee):

Elmer L Griebeler (4 out of 9 patents)

4 patents: Sort by Forward Citations

1. 5471736 - Magnetic sensor with laminated field concentrating flux bar (1995-12-05),

2. 5315244 - Magnetic sensor with laminated field concentrating flux bar (1994-05-24),

3. 5041784 - Magnetic sensor with rectangular field distorting flux bar (1991-08-20),

4. 4992733 - Position sensing transducer having a circular magnet with an integral (1991-02-12),

Company Overview

Visi-trak Corporation is a leading provider of innovative tracking and monitoring solutions for businesses. With a focus on cutting-edge technology and exceptional customer service, Visi-trak offers a range of products and services designed to optimize operations and improve efficiency. From fleet tracking to asset management, Visi-trak delivers reliable and accurate solutions to meet the needs of companies across various industries.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#279 in Cleveland, OH

#2,335 in Ohio

#60,671 in US

Cleveland, OH, United States of America

Visi-Trak Corporation

Forward Citations = 103

1 inventor:

Elmer L Griebeler (4 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Visi-Trak Corporation. Retrieved from https://idiyas.com/company/visi-trak

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]