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For the Inventor, By the Inventor

Springboro, OH, United States of America

Donald L Karn

USPTO Granted Patents = 13

Average Co-Inventor Count = 2.1

ph-index = 8

Forward Citations = 137(Granted Patents)


Company Filing History:

goldMedal13 out of 408 
 
Monarch Marking Systems, Inc.
 patents

Years Active: 1976-1998

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13 patents (USPTO):Explore Patents
1. 5705245 - Composite label web (1998-01-06),
2. 5015324 - Hand-held labeler (1991-05-14),
3. 5013387 - Hand-held labeller (1991-05-07),
4. 5009739 - Hand-held labeler (1991-04-23),
5. 4980009 - Hand-held labeler and method labeling (1990-12-25),
6. 4956045 - Hand-held labeler (1990-09-11),
7. 4584938 - Print head (1986-04-29),
8. 4563235 - Hand-held labeler (1986-01-07),
9. 4524686 - Print head and method of making same (1985-06-25),
10. 4280863 - Label printing and applying apparatus (1981-07-28),
11. 4267006 - Label printing apparatus (1981-05-12),
12. 4035225 - Apparatus for applying pressure sensitive labels (1977-07-12),
13. 3954545 - Apparatus for printing and applying pressure sensitive labels (1976-05-04),

Title: Discovering the Innovations of Donald L. Karn

Introduction

Donald L. Karn, a prominent inventor based in Springboro, OH, has made notable contributions to the field of labeling technologies. With a total of 13 patents to his name, he is recognized for his inventive solutions that streamline labeling processes and enhance the efficiency of related systems.

Latest Patents

Among his latest inventions are two significant patents that reflect his innovative spirit. The first is the "Composite Label Web," which introduces a novel design featuring feed apertures in its carrier web. These apertures enable the composite label web to be advanced effectively in labelers, with pairs of equally and oppositely inclined feed faces that engage with a toothed driver, ensuring transversely centered operation without the risk of tearing.

The second patent is for a "Hand-held Labeler," designed with a user-friendly housing and handle. This device incorporates a thermal print head for seamless label printing from a composite label web and is equipped with a platen roll that works with the print head. Additionally, the labeler boasts a delaminator for effective label separation and an applicator for precise application. The structure allows for easy servicing while maintaining simplicity, and it includes an improved alignment mechanism for the print head.

Career Highlights

Donald L. Karn is a key figure at Monarch Marking Systems, Inc., where he has been instrumental in pushing the boundaries of labeling technology. His career is marked by his ability to create practical inventions that cater to industry demands, enhancing operational efficiency and product reliability.

Collaborations

Throughout his career, Karn has collaborated with esteemed colleagues Brent E. Goodwin and John R. Monteith. Together, they have contributed significantly to the advancement of innovative labeling solutions, fostering an environment of creativity and teamwork that has led to multiple patents.

Conclusion

In summary, Donald L. Karn stands out as an influential inventor whose work at Monarch Marking Systems, Inc. has transformed labeling technologies. His recent patents not only showcase his technical prowess but also his commitment to providing practical solutions that meet the needs of the market. As his career continues to evolve, Karn's contributions will undoubtedly leave a lasting impact on the industry.

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