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For the Inventor, By the Inventor

Hillside, IL, United States of America

Wallace Computer Services, Inc.


USPTO Granted Patents = 95


Trademarks = 2

Forward Citations = 2,193

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47 inventors (with patents filed for the assignee):

goldMedal John C Chang (22 out of 24 patents)

silverMedal Eric R Schmidt (12 out of 12 patents)

bronzeMedal Ronald R Garrison (11 out of 11 patents)

4.  Donald J Hoffmann (11 out of 11 patents)

5.  Donald J Steidinger (9 out of 26 patents)

6.  Scott A Stevens (7 out of 7 patents)

7.  Vicki J Templet (5 out of 5 patents)

8.  Thomas E Dash (5 out of 5 patents)

9.  Joseph J Juszak (4 out of 6 patents)

10.  Peter A Walter (4 out of 4 patents)

11.  Janusz Szczepaniec (4 out of 4 patents)

12.  David J Nowaczyk (3 out of 10 patents)

13.  John R Poplawski (3 out of 3 patents)

14.  William R Schoenherr (3 out of 3 patents)

15.  Donald J Nauheimer (3 out of 3 patents)


Core Competencies:
Security Tags
Fingerprinting
Chromogenic Technology
Pressure-Sensitive Labels
Verification Systems
Linerless Labels
Document Handling
Identification Cards
Business Forms
Mailer Production
Heat-Sensitive Systems
Custom Estimating

95 patents:

1. 6371187 - System for continuously manufacturing security tags (2002-04-16),
2. 6162485 - Fingerprinting system and method (2000-12-19),
3. 6096153 - System for continuously manufacturing security tags (2000-08-01),
4. 6060428 - Heat-sensitive chromogenic system (2000-05-09),
5. 6010122 - Method and apparatus for producing high page count signatures (2000-01-04),
6. 5985441 - Linerless label product, method of making, apparatus and method for (1999-11-16),
7. 5970875 - Pressure-sensitive tamper evident system (1999-10-26),
8. 5915089 - Supplemental data processing system for processing ply-matching data (1999-06-22),
9. 5898017 - Multicolor chromogenic system having improved image quality (1999-04-27),
10. 5897733 - Method and apparatus for printing single sheet folded documents (1999-04-27),
11. 5890743 - Protected card intermediate and method (1999-04-06),
12. 5880063 - Method of improving coverage of chromogenic reaction product (1999-03-09),
13. 5879453 - System for verifying the identity of an applicant through the use of (1999-03-09),
14. 5874142 - Linerless adhesive-equipped carrier assembly and method (1999-02-23),
15. 5867102 - Electronic article surveillance label assembly and method of manufacture (1999-02-02),
Company Overview
Wallace Computer Services, Inc., based in Hillside, Illinois, specializes in the development and manufacturing of advanced security document systems. The company focuses on innovative technologies such as security tags, fingerprinting, and chromogenic technology, which enhance the security and integrity of documents. Additionally, Wallace offers solutions in pressure-sensitive labels, verification systems, and linerless labels, catering to various identification and document handling needs across multiple industries.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

95 Patents

#1 in Hillside, IL

#224 in Illinois

#3,940 in US

#8,111 in the World

Hillside, IL (US)
Hillside, IL, United States of America

Wallace Computer Services, Inc.

Forward Citations = 2,193

47 inventors:

goldMedal John C Chang (22 out of 24 patents)

silverMedal Eric R Schmidt (12 out of 12 patents)

bronzeMedal Ronald R Garrison (11 out of 11 patents)

4.  Donald J Hoffmann (11 out of 11 patents)

5.  Donald J Steidinger (9 out of 26 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Wallace Computer Services, Inc.. Retrieved from https://idiyas.com/company/wallace-computer-services

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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