This inventor holds 6 USPTO granted patents and 2 published patent applications. Top assignees: Korg U.s.a., Inc., Korg Incorporated. Active years: 1993-2018.
Location History:
- Dubuque, IA (US) (1993)
- Petaluma, CA (US) (2009 - 2018)
Company Filing History:
4 out of 4 
1 out of 30 
Years Active: 1993-2018
Title: The Innovations of Robert Douglas McDonald
Introduction
Robert Douglas McDonald is a notable inventor based in Petaluma, CA (US). He has made significant contributions to the field of musical instruments, particularly in guitar technology. With a total of 6 patents to his name, McDonald has developed innovative solutions that enhance the performance and sound quality of guitars.
Latest Patents
One of McDonald's latest patents is for a bridge with a pickup designed for hybrid arched top guitars. This invention features an arched top bridge upper section that includes a wood top section slotted to accept a string saddle made from materials such as plastic or bone. The wood section is laminated or affixed to a lower metal section, allowing for improved energy transfer from the strings. A piezo pickup element is installed in the slot below the string saddle, ensuring even response across all strings. This design results in greater sustain of plucked notes and a broader frequency response, making the arched top guitar more comparable to a typical flattop acoustic guitar.
Career Highlights
Throughout his career, McDonald has worked with prominent companies in the music industry, including Korg USA, Inc. and Korg Incorporated. His experience in these organizations has allowed him to refine his skills and contribute to the development of innovative musical products.
Collaborations
McDonald has collaborated with talented individuals such as William Eric Kirkland and Richard M. Lasner. These partnerships have fostered creativity and innovation in his projects, leading to the successful development of his patented technologies.
Conclusion
Robert Douglas McDonald is a distinguished inventor whose work has significantly impacted the world of guitar design and technology. His innovative patents and collaborations reflect his dedication to enhancing musical instruments for musicians everywhere.