Location History:
- Saint Paul, MN (US) (1976)
- Oakdale, MN (US) (1987 - 2004)
Company Filing History:
7 out of 7,865 
2 out of 14,087 
Years Active: 1976-2004
Title: The Innovative Contributions of Larry D Rich
Introduction
Larry D Rich is a notable inventor based in Oakdale, MN (US). He has made significant contributions to the field of invention, holding a total of 9 patents. His work primarily focuses on practical tools that enhance efficiency and effectiveness in various applications.
Latest Patents
One of his latest inventions is a sanding disc designed specifically for smoothing drywall. This sanding disc features a circular abrasive disc with an abrasive surface, complemented by a circular foam disc that is smaller in diameter. The foam disc is co-axially adhered to the surface of the abrasive disc opposite its abrasive surface. The design includes a circular central portion where the abrasive surface is generally planar, along with an annular peripheral portion that extends to a cylindrically convex surface. This innovative design positions the peripheral surface of the abrasive disc in a plane that passes through the foam disc, enhancing its functionality.
Career Highlights
Throughout his career, Larry D Rich has worked with prominent companies, including Minnesota Mining and Manufacturing Company and 3M Innovative Properties Company. His experience in these organizations has contributed to his development as an inventor and has allowed him to refine his innovative ideas.
Collaborations
Larry has collaborated with notable coworkers such as James F Sanders and Clifford Norman MacDonald. These partnerships have likely played a role in the successful development of his inventions.
Conclusion
Larry D Rich's contributions to the field of invention, particularly with his innovative sanding disc, showcase his dedication to improving tools for practical use. His work continues to influence the industry and inspire future inventors.