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For the Inventor, By the Inventor

Kenosha, WI, United States of America

Robert A Shaffer

USPTO Granted Patents = 12

Average Co-Inventor Count = 4.6

ph-index = 9

Forward Citations = 244(Granted Patents)


Company Filing History:

goldMedal10 out of 390 
 
Newell Operating Company
 patents
silverMedal2 out of 22 
 
Ez Paintr Corporation
 patents

Years Active: 1991-2002

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12 patents (USPTO):Explore Patents
1. 6401290 - Paint brush with improved grip construction (2002-06-11),
2. 6138313 - Paint brush with improved grip construction and method of manufacture (2000-10-31),
3. 6101662 - Roller having slip-on cage for paint roller cover (2000-08-15),
4. 5983455 - Multi-faceted extension pole (1999-11-16),
5. 5979009 - Roller having slip-on cage for paint roller cover (1999-11-09),
6. D415899 - Portion of a paint brush handle (1999-11-02),
7. D406465 - Set of grips for a roller frame handle (1999-03-09),
8. 5584092 - Roller having slip-on cage for paint roller cover (1996-12-17),
9. 5432972 - Pad-type corner painting tool (1995-07-18),
10. D359447 - Clam shell package (1995-06-20),
11. D338619 - Clam shell package (1993-08-24),
12. 5014384 - Pad attachment for paint roller assemblies (1991-05-14),

Title: The Innovative Mind of Robert A. Shaffer

Introduction

Robert A. Shaffer, an inventive force hailing from Kenosha, Wisconsin, has made significant contributions to the field of innovation with a notable portfolio of 12 patents. His dedication to enhancing everyday products is reflected in his latest inventions, particularly in the realm of painting tools.

Latest Patents

One of Robert's latest patents focuses on a paint brush with an improved grip construction. This invention features a uniquely designed brush handle that includes a core member, surrounded by a layer of compressible and resilient gripping material. The non-slip gripping layer conforms closely to the contour of the handle and is mechanically interlocked with it through projections integral to the core member. Additionally, the two components are partially bonded using heat or chemical processes, ensuring durability and ease of use. This innovative handle design not only enhances the user experience but also includes methods for efficiently manufacturing the brush handle.

Career Highlights

Throughout his career, Robert A. Shaffer has collaborated with leading companies in the industry. Notably, he has contributed his expertise at Newell Operating Company and Ez Paintr Corporation. His work in these organizations has allowed him to refine his inventive skills and drive innovation in painting tools and accessories.

Collaborations

Collaboration has been a key aspect of Robert's professional journey. He has worked closely with talented individuals such as Bruce C. Polzin and William W. Barton. Together, they have fostered an environment of creativity that has led to the successful development of multiple patents, advancing the field of brush manufacturing.

Conclusion

Robert A. Shaffer’s innovations have greatly impacted the painting industry, particularly through his thoughtful design of paint brushes. With a total of 12 patents to his name, he continues to inspire with his commitment to enhancing product usability and functionality. His journey illustrates the power of determination and creativity in driving innovation in everyday tools.

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