Location History:
- O'Hara Township, Allegheny County, PA (US) (1984 - 1987)
- Fox Chapel, PA (US) (1986 - 1987)
- Fox Chapel Boro, PA (US) (1987)
- Fox Chapel Borough, PA (US) (1988 - 1990)
- Pittsburgh, PA (US) (1978 - 1993)
Company Filing History:
25 out of 8,033 
3 out of 15 
1 out of 1 Years Active: 1978-1993
Title: **Innovations by John M. Shallenberger in Sports Racket Design**
Introduction
John M. Shallenberger, a prominent inventor located in Fox Chapel, PA, is renowned for his contributions to the field of sports equipment innovation. With an impressive portfolio of 29 patents, Shallenberger has dedicated his expertise to enhancing athletic performance through advanced design.
Latest Patents
Among his most recent innovations is the multi-frame racket, which showcases a unique structure designed for optimal playability. This sports racket features a handle and a multi-frame that includes a primary frame defining a throat connected to the handle. The hoop-shaped head encompasses an open region and is integrated with a plurality of stringing holes that allow for precise stringing.
The innovative design incorporates supplementary frames and spaced ribs that enhance stiffness and resilience of the primary frame, reducing both axial and torsional deflections upon impact with a ball. The supplementary bracing further interconnects various components in the throat region, reinforcing the overall integrity of the racket. This state-of-the-art design represents a significant advancement in racket technology, offering players improved control and performance.
Career Highlights
Shallenberger has built an illustrious career in various esteemed organizations, notably Westinghouse Electric Corporation and Ferrari Importing Company. His work in these companies laid a strong foundation for his innovative ventures, allowing him to develop cutting-edge solutions in sports equipment and other fields.
Collaborations
Throughout his career, John M. Shallenberger has had the privilege of collaborating with talented individuals, including Stephen J. Ferlan and Harry M. Ferrari. These partnerships have significantly contributed to the creative process behind his patents and innovations.
Conclusion
John M. Shallenberger continues to be a vital figure in the world of sports innovation with his remarkable inventions, particularly the groundbreaking multi-frame racket. His dedication to improving athletic equipment not only enhances performance but also inspires future innovations in the field of sports.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.