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For the Inventor, By the Inventor

Houston, TX, United States of America

Michael A Karr, Jr

USPTO Granted Patents = 12

Average Co-Inventor Count = 1.2

ph-index = 7

Forward Citations = 300(Granted Patents)


Company Filing History:

goldMedal6 out of 23 
 
Gray Tool Company
 patents
silverMedal1 out of 1 
 
Gray Tool
 patent
bronzeMedal5 out of 832,843 
Other
 patents

Years Active: 1976-2000

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12 patents (USPTO):Explore Patents
1. 6123649 - Resistance apparatus for connection to a human body (2000-09-26),
2. 5927229 - Visual aid system for the hitch attachment of a motor vehicle to a (1999-07-27),
3. 5657751 - Cardiopulmonary resuscitation unit (1997-08-19),
4. 4643390 - Fail-safe valve actuator (1987-02-17),
5. 4612983 - Shear type gate valve (1986-09-23),
6. 4570659 - Fire resistant valve (1986-02-18),
7. 4569503 - Valve with remote and manual actuation means (1986-02-11),
8. 4534235 - Rotary stepper actuator (1985-08-13),
9. 4477085 - Fire resistant connections embodying heat transfer means (1984-10-16),
10. 4452462 - Temperature resistant joint packing with E-shaped spring seal (1984-06-05),
11. 4436316 - Fluid seal (1984-03-13),
12. 3952994 - Throttling and shut-off valve (1976-04-27),

Title: **Michael A. Karr, Jr.: Innovator from Houston, TX**

Introduction

Michael A. Karr, Jr. is an accomplished inventor based in Houston, Texas, with a remarkable portfolio that includes 12 patents. His inventions range from fitness technology to automotive safety systems, showcasing his versatility and innovative spirit.

Latest Patents

Among his latest inventions is a **Resistance Apparatus for Connection to a Human Body** designed for fitness exercising and rehabilitation. This apparatus features a treadmill equipped with a resistance mechanism that provides a force from the back of the human body, encouraging a forward motion during exercise. The design includes a frame with horizontal and vertical sections, as well as a cord connectable to the user, ensuring an effective workout experience.

Another noteworthy invention is the **Visual Aid System for the Hitch Attachment of a Motor Vehicle to a Trailer**. This innovative system incorporates two poles, one mounted on the vehicle's hitch and the other articulated to the trailer hitch mechanism, providing a clear visual aid for drivers during trailer attachment. The poles are designed to emit light, enhancing visibility and safety during the process.

Career Highlights

Michael has contributed his skills and expertise to various companies, most notably with Gray Tool Company, where he honed his innovative capabilities. His work in these organizations has been pivotal in shaping the technological advancements in fitness and vehicle safety systems.

Collaborations

Throughout his career, Michael has collaborated with notable colleagues, including R. Clayton Lee and John P. Mitcham. These partnerships have fostered a creative environment that has led to groundbreaking developments in their respective fields.

Conclusion

Michael A. Karr, Jr.'s contributions to innovation highlight his dedication to improving human experiences through technology. With numerous patents and a solid track record of collaboration, he continues to be a significant figure in the landscape of modern inventions. His work not only enhances functionality in everyday tasks but also aims to improve safety and health for users.

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