For the Inventor, By the Inventor

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Hillside, IL, United States of America

Wallace Computer Services, Inc.

USPTO Granted Patents = 95

CIPO Patents = 1

Trademarks = 2

Forward Citations = 2,193

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47 inventors (with patents filed for the assignee):

John C Chang (22 out of 24 patents)

Eric R Schmidt (12 out of 12 patents)

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: Sort by Forward Citations

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),

Wallace Computer Services, Inc. is a leading provider of innovative IT solutions. With over 20 years of experience, we specialize in delivering comprehensive computer services to businesses of all sizes. Our team of skilled professionals offers a wide range of services including network setup and maintenance, cloud solutions, cybersecurity, data backup and recovery, software development, and IT consulting. We pride ourselves on delivering high-quality solutions tailored to meet the unique needs of each client. Visit our website to learn more about how we can help your business thrive in the digital age.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

95 Patents

#1 in Hillside, IL

#224 in Illinois

#3,932 in US

#8,082 in the World

Hillside, IL, United States of America

Wallace Computer Services, Inc.

Forward Citations = 2,193

47 inventors:

John C Chang (22 out of 24 patents)

Eric R Schmidt (12 out of 12 patents)

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)

Please report any incorrect information to [email protected]

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