Company Filing History:
3 out of 21 
10 out of 832,812 Years Active: 1976-1978
Title: The Innovative Mind of Calvin B Blair
Introduction
Calvin B Blair, an inventive force hailing from Barnard, Kansas, has made significant contributions to agricultural technology through his 13 patents. His work, rooted deeply in the field of earth working apparatuses, showcases a blend of practicality and innovation that addresses the needs of modern farming.
Latest Patents
Among Blair's latest inventions are two notable patents: the Earth Working Attachment and the Subsoil Tillage Tooth.
The Earth Working Attachment is designed for earth working apparatuses and features a mobile frame equipped with central and wing sections. Each section of the attachment contains forward and rear frame members along with multiple earth working members. This innovative device includes reach arms and a vertically adjustable hanger unit that supports tool bar carrying members, allowing for enhanced operational flexibility. Its design incorporates an elongated, adjustable drag tension spring, allowing for optimal performance under diverse working conditions.
The Subsoil Tillage Tooth represents another remarkable invention, featuring a soil-splitting leading edge of arcuate cuspate shape designed to minimize mixing of subsoil and topsoil during tillage. This plow employs laminate construction for enhanced strength and includes a unique feature where removable cuspal inserts can be utilized based on varying soil conditions, thus catering to specific agricultural needs.
Career Highlights
Throughout his career, Calvin has been associated with notable enterprises, including Kent Manufacturing Company, Inc. This experience has enabled him to apply his innovative ideas in practical settings, leading to advancements in agricultural technology. His patents not only reflect his commitment to the field but also his understanding of the market and the demands of modern agriculture.
Collaborations
Collaboration has played a key role in Calvin's inventions, with fellow innovators such as Donald C Hokr and Lee J Brinker contributing to various projects. These partnerships highlight the importance of teamwork in the inventive process, fostering an environment conducive to creativity and innovation.
Conclusion
Calvin B Blair stands as a distinguished inventor whose contributions to agricultural machinery have made a substantial impact. His inventions, marked by practicality and innovative design, continue to influence the way farmers engage with their land. Through his patents, Blair not only embodies the spirit of invention but also serves as an inspiration for future innovators in the industry.