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For the Inventor, By the Inventor

Springfield, TN, United States of America

Unarco Material Handling, Inc.


USPTO Granted Patents = 14


Trademarks = 8

Forward Citations = 241

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8 inventors (with patents filed for the assignee):

goldMedal Linda P Lascara (4 out of 4 patents)

silverMedal William L Clark (4 out of 6 patents)

bronzeMedal Carlton David Weaver (3 out of 4 patents)

4.  Charles E Highsmith (3 out of 8 patents)

5.  William T Guiher (3 out of 6 patents)

6.  Joseph F Benton (2 out of 2 patents)

7.  Michael P Lowrey (1 out of 1 patent)

8.  Charles E Highsmith, Deceased (1 out of 1 patent)


14 patents:

1. 6951441 - Storage rack having roller track supported on horizontally extending front and back beams (2005-10-04),
2. 6802426 - Releasable locking device (2004-10-12),
3. 6679393 - Releasable locking device (2004-01-20),
4. 6431808 - Storage rack having roller track (2002-08-13),
5. 5845794 - Storage rack having snap-on beams (1998-12-08),
6. 5769249 - Storage rack beam having rolled, intermediate section with upturned, (1998-06-23),
7. 5749482 - Storage rack beam having surface enabling indicia at low elevation to be (1998-05-12),
8. 5713476 - Storage rack having latched beam-to-column connection (1998-02-03),
9. 5655675 - Storage rack system with fire extinguishing device (1997-08-12),
10. 5624045 - Storage rack having latched beam-to-column connection (1997-04-29),
11. 5526945 - Storage rack having support beam with channel profile and inclinded (1996-06-18),
12. 5492231 - Storage rack having support seam with outer, generally arcuate, (1996-02-20),
13. 5476167 - Roller track having externally secured spindles for storage rack, roller (1995-12-19),
14. 5435427 - Roller track having internally welded spindles for storage rack, roller (1995-07-25),
Company Overview
Unarco Material Handling, Inc. is a leading provider of innovative material handling solutions, specializing in the design and manufacture of storage systems, racking solutions, and warehouse equipment. Based in Springfield, TN, the company focuses on optimizing warehouse operations through advanced engineering and technology. Unarco's expertise spans various sectors, including retail, distribution, and manufacturing, ensuring efficient and scalable solutions tailored to meet diverse logistical needs.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

14 Patents

#3 in Springfield, TN

#230 in Tennessee

#22,319 in US

#42,249 in the World

Springfield, TN (US)
Springfield, TN, United States of America

Unarco Material Handling, Inc.

Forward Citations = 241

8 inventors:

goldMedal Linda P Lascara (4 out of 4 patents)

silverMedal William L Clark (4 out of 6 patents)

bronzeMedal Carlton David Weaver (3 out of 4 patents)

4.  Charles E Highsmith (3 out of 8 patents)

5.  William T Guiher (3 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Unarco Material Handling, Inc.. Retrieved from https://idiyas.com/company/unarco-material-handling

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]
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