Location History:
- Columbus, OH (US) (2003)
- Reynoldsburg, OH (US) (2009)
Company Filing History:
Years Active: 2003-2009
Title: Mark Zellefrow: Innovator in Lawn Care Solutions
Introduction
Mark Zellefrow is an accomplished inventor based in Reynoldsburg, Ohio. He has made significant contributions to the field of lawn care with his innovative designs. With a total of two patents to his name, Zellefrow continues to push the boundaries of what is possible in outdoor maintenance equipment.
Latest Patents
Zellefrow's latest patents include a lawn sweeper and a shopping cart. The lawn sweeper is a towable device that features a housing, a hitch assembly, a sweeper assembly, and a sweeper height adjustment assembly. The hitch assembly is rigidly coupled to the housing and includes a clevis with multiple connector members, allowing for adjustable coupling to a tow vehicle. The sweeper assembly is rotatably coupled to the housing and includes at least one brush attached to an axle in a spiral pattern. The height adjustment assembly is pivotably coupled to the housing and features a height adjustment bar, a lever, a height retention member, and a fastener for secure operation.
Career Highlights
Zellefrow is currently employed at Ohio Steel Industries, Inc., where he applies his expertise in engineering and design. His work has significantly impacted the efficiency and effectiveness of lawn care equipment.
Collaborations
Throughout his career, Zellefrow has collaborated with notable colleagues, including Paul P. Kolada and Rodger Hays. These partnerships have fostered a creative environment that encourages innovation and the development of new ideas.
Conclusion
Mark Zellefrow is a notable inventor whose contributions to lawn care technology have made a lasting impact. His innovative designs, particularly in the realm of lawn sweepers, showcase his commitment to improving outdoor maintenance solutions.