This inventor holds 3 USPTO granted patents. Top assignees: Kain's Research and Development Co., Inc., Other. Active years: 1980-1988.
Location History:
- Beaumont, TX (US) (1980 - 1981)
- Dallas, TX (US) (1988)
Company Filing History:
1 out of 2 
2 out of 834,350 Years Active: 1980-1988
Title: Harold D. Lee: Innovator in Engineering Solutions
Introduction
Harold D. Lee is a notable inventor based in Beaumont, TX (US), recognized for his contributions to engineering and design. With a total of 3 patents, he has made significant advancements in the field, particularly in the areas of lawn care and hydraulic systems.
Latest Patents
One of Harold's latest inventions is the Convertible Blade Hub. This innovative blade coupling assembly features a spindle with a base plate and a collar that fits around the drive shaft of an engine. The design includes locking pins that secure a lawn mower cutting blade in place, allowing for easy conversion to accommodate different blade types. Another significant patent is the Portable Hydraulic Rig, designed for performing workover and drilling operations on petroleum wells. This rig features a telescoping mast that reduces in length for transportation and is engineered for balanced loading during operation.
Career Highlights
Throughout his career, Harold has worked with various companies, including Kain's Research and Development Co., Inc. His work has focused on creating practical solutions that enhance efficiency and functionality in engineering applications.
Collaborations
Harold has collaborated with notable individuals in the field, including James L. Newman and Darryl L. Carimi. These partnerships have contributed to the development of innovative technologies and solutions.
Conclusion
Harold D. Lee's inventive spirit and engineering expertise have led to significant advancements in his field. His patents reflect a commitment to innovation and practical design, making him a valuable contributor to the engineering community.