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For the Inventor, By the Inventor

Spartanburg, SC, United States of America

Donald K Christian

USPTO Granted Patents = 10

Average Co-Inventor Count = 1.1

ph-index = 3

Forward Citations = 31(Granted Patents)


Company Filing History:

goldMedal9 out of 832,912 
Other
 patents
where one patent can have more than one assignee

Years Active: 1978-1985

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10 patents (USPTO):Explore Patents
1. 4546867 - Coin insert for vending machine (1985-10-15),
2. 4530444 - Separation device for single copy newspaper vendor (1985-07-23),
3. D276170 - Coin mechanism enclosure for a newspaper vendor (1984-10-30),
4. 4421219 - Dual price cam system for totalizing vendor (1983-12-20),
5. 4418836 - Vending machine for newspaper, magazines and the like (1983-12-06),
6. 4411375 - Novel shelf arrangement for a drop shelf vending machine (1983-10-25),
7. 4382499 - Novel totalizer application for newspaper vending machine (1983-05-10),
8. 4304340 - Semi-automatic display release means for single copy periodical vending (1981-12-08),
9. 4284207 - Drop shelf mechanism (1981-08-18),
10. 4112558 - Fabric bulking process (1978-09-12),

Title: The Innovative Contributions of Donald K Christian

Introduction

Donald K Christian is a notable inventor based in Spartanburg, SC (US). He has made significant contributions to the field of vending machine technology, holding a total of 10 patents. His innovative designs focus on enhancing the functionality and reliability of vending machines, particularly in outdoor environments.

Latest Patents

Among his latest patents is a coin insert for vending machines designed to withstand exposure to the weather. This invention features a pivotal flap that deflects moisture from the coin path, ensuring smooth operation. Additionally, it includes a relief in the coin slot that allows for the free fall of horizontally inserted coins. Another notable patent is a separation device for single copy newspaper vendors. This device is attached to the door of a conventional newspaper vending machine and effectively separates the topmost newspaper from a stack after proper coin insertion and door opening. It incorporates a sequentially selective elevator mechanism to ensure that the topmost newspaper is accessible.

Career Highlights

Throughout his career, Donald K Christian has demonstrated a commitment to innovation in vending technology. His patents reflect a deep understanding of user needs and environmental challenges, making his inventions both practical and effective.

Collaborations

Donald has collaborated with various professionals in his field, including his coworker David E Terry. Their combined expertise has contributed to the development of advanced vending solutions.

Conclusion

Donald K Christian's work exemplifies the spirit of innovation in the vending machine industry. His patents not only address current challenges but also pave the way for future advancements in this technology.

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