Location History:
- Columbia, MO (US) (1982)
- Bloomfield, IA (US) (1986 - 1989)
- Ottumwa, IA (US) (1995 - 2020)
Company Filing History:
28 out of 8,451 
1 out of 832,680 Years Active: 1982-2020
Title: Innovations and Contributions of Roger Dale Stephenson
Introduction: Roger Dale Stephenson, a prominent inventor based in Ottumwa, Iowa, has made significant strides in the agricultural machinery industry. With a total of 28 patents to his name, his inventions have played a crucial role in improving the efficiency and functionality of crop harvesting equipment.
Latest Patents: Among his latest patents are two noteworthy inventions. The first is a "Method and apparatus for harvesting crop material," which presents a crop harvesting machine designed to move cut crop effectively across a cutterbar and towards a conditioner element. This machine features an undershot rotating element coupled with rotary cutters, aimed at enhancing the crop conditioning process before it is deposited in swaths on the field.
The second patent, a "Pin-drop hitch mount assembly with biased pin retainer mechanism," details an innovative hitch mount assembly. This invention includes a drawbar receiver with a unique latch mechanism that retains and releases a pin for hitch operations, significantly streamlining the process of attaching and detaching equipment during agricultural tasks.
Career Highlights: Roger's career is marked by his tenure at Deere & Company, a leading manufacturer of agricultural machinery. His work has resulted in groundbreaking advancements that have set new standards in the industry. His ability to innovate in such a competitive field demonstrates his dedication and expertise in agricultural technology.
Collaborations: Throughout his career, Roger Dale Stephenson has collaborated with fellow engineers and inventors, including Stephen K. Parsons and James C. Walters. These partnerships have fostered a creative environment that enables the exchange of ideas, leading to the development of cutting-edge technologies in agricultural machinery.
Conclusion: Roger Dale Stephenson's contributions to the field of agricultural machinery through his patents reflect his ingenuity and commitment to innovation. His work not only enhances the efficiency of farming practices but also exemplifies the importance of innovation in sustaining agricultural productivity. With each patent, he reaffirms his status as a key player in transforming the industry for the better.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.