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For the Inventor, By the Inventor

Farmington Hills, MI, United States of America

Marketing Displays, Inc.


USPTO Granted Patents = 101

% Expired Patents = 12.9


Trademarks = 10

Forward Citations = 1,941

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51 inventors (with patents filed for the assignee):

goldMedal David U Hillstrom (51 out of 60 patents)

silverMedal Brian J Hillstrom (21 out of 27 patents)

bronzeMedal James R Seely (19 out of 23 patents)

4.  Ronald E Grewe (9 out of 12 patents)

5.  David J Muir (6 out of 10 patents)

6.  Robert Sarkisian (6 out of 10 patents)

7.  James J Mason (4 out of 4 patents)

8.  Vladimir Yasnogorodskiy (4 out of 4 patents)

9.  Christopher Myles Larsen (3 out of 5 patents)

10.  Yevgeniy M Levin (3 out of 8 patents)

11.  Evan C Evans (3 out of 3 patents)

12.  Cecil E Ursprung (3 out of 3 patents)

13.  Alan Adilman (2 out of 3 patents)

14.  Gregory James Kenyon (2 out of 4 patents)

15.  Matthew Adams (2 out of 2 patents)


Core Competencies:
Outdoor Menu Device
Portable Sign Stand
Illuminated Canopy
Flexible Sign Mount
Sign Frame
Poster Frame
Hinge Assembly
Sign Stand Assembly
Tensioning Frame
Graphic Mirror
Sign Deployment System
Display Assembly

101 patents:

1. 12286823 - Bypass door assembly (2025-04-29),
2. 10794113 - Compact privacy screen (2020-10-06),
3. 10331004 - Graphic mirror (2019-06-25),
4. 9175801 - Wheel apparatus (2015-11-03),
5. 8726552 - Adapter for hitch mounted sign (2014-05-20),
6. 8413588 - Railway service vehicle having wheelchair restraint (2013-04-09),
7. 8162284 - Warning flag deployment system (2012-04-24),
8. 8104205 - Sign stand with rolling base (2012-01-31),
9. 7996980 - Sign stand with rolling base (2011-08-16),
10. 7941951 - Sign stand with rolling base (2011-05-17),
11. 7698843 - Flexible sign mount (2010-04-20),
12. 7584563 - Sign stand with rolling base (2009-09-08),
13. 7530190 - Display frame adjustable divider (2009-05-12),
14. 7458554 - Portable sign stand with sign release mechanism (2008-12-02),
15. 7404267 - Portable snap-fit sign stand (2008-07-29),
Company Overview
Marketing Displays, Inc. is a prominent manufacturer based in Farmington Hills, MI, specializing in innovative marketing display solutions. The company focuses on developing a diverse range of products, including outdoor menu devices, portable sign stands, illuminated canopies, and various sign frame assemblies. With a commitment to enhancing visual communication, Marketing Displays serves various industries by providing flexible and effective display options that cater to both functional and aesthetic needs.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

101 Patents

#3 in Farmington Hills, MI

#148 in Michigan

#3,761 in US

#7,717 in the World

Farmington Hills, MI (US)
Farmington Hills, MI, United States of America

Marketing Displays, Inc.

Forward Citations = 1,941

51 inventors:

goldMedal David U Hillstrom (51 out of 60 patents)

silverMedal Brian J Hillstrom (21 out of 27 patents)

bronzeMedal James R Seely (19 out of 23 patents)

4.  Ronald E Grewe (9 out of 12 patents)

5.  David J Muir (6 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Marketing Displays, Inc.. Retrieved from https://idiyas.com/company/marketing-displays

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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