David L Ruff is a notable inventor based in Torrance, California, with a remarkable portfolio of 11 patents. His work primarily focuses on practical solutions that enhance safety and efficiency in everyday applications.

Latest Patents

Among his latest inventions is the "Locking Jack for a Window Well Cover." This innovative device features three arms: a base arm, a support arm, and an actuator handle, all designed to assist in lifting a window well cover and facilitating egress. The jack can be locked in a stowed position and may include a spring assist to aid in lifting. Additionally, it can be locked in a deployed position to hold an ajar window well cover, allowing for safe escape. The design incorporates a simple link that can be easily broken by emergency crews while remaining secure against intruders. Another significant invention is the "Perlite Boards and Method for Making Same," which involves creating a board from expanded perlite and a binder that maintains permanent tackiness in the dry state. This board is produced by expanding the perlite, adding a tacky resin emulsion, drying the mixture, and forming it into a board-like product.

Career Highlights

David has worked with various companies throughout his career, including Grefco, Inc. His contributions to the field of invention have been significant, showcasing his ability to develop practical solutions to common problems.

Collaborations

David has collaborated with notable individuals in his field, including Sherman A Stewart and Harlan E Tarbell. Their combined expertise has likely contributed to the success of his innovative projects.

Conclusion

David L Ruff's inventive spirit and practical designs have made a lasting impact in his field. His patents reflect a commitment to safety and efficiency, showcasing his role as a significant contributor to innovation.

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