Location History:
- Houston, TX (US) (1992 - 1994)
- Industry, CA (US) (2001)
- Galveston, TX (US) (2007)
Company Filing History:
2 out of 11 
2 out of 832,718 Years Active: 1992-2007
Title: Innovations by Roger L Johnsen
Introduction
Roger L Johnsen is an accomplished inventor based in Houston, Texas. He holds a total of four patents, showcasing his innovative contributions to the field of mechanical design and security systems. His work primarily focuses on enhancing the functionality and safety of trailer and tailgate mechanisms.
Latest Patents
One of his latest inventions is the Trailer Coupler Integral Keyed Lock. This device serves as an aftermarket kit or can be integrated by original equipment manufacturers. The design features an actuating lever that interfaces with a keyed lock, which includes an outward-extending plunger. This plunger, when actuated with a key, prevents the rotational travel of the coupler trigger latch, effectively locking the trailer coupler until the key is used to retract the plunger.
Another significant invention is the Tailgate Locking Assembly. This assembly is designed to attach to a truck's tailgate latching mechanism. It includes a pull-handle that controls the position of lever arms connected to latching rods. The assembly incorporates a locking arm that can be positioned using a key lock. When in the first position, the arm prevents the pull-handle from releasing the latching rods, ensuring the tailgate remains secured until the key lock is switched to the second position.
Career Highlights
Throughout his career, Roger has worked with various companies, including Steadfast Corporation. His experience in the industry has allowed him to develop practical solutions that address common issues faced by users of trailer and tailgate systems.
Collaborations
Roger has collaborated with notable individuals such as Dimiter S Zagoroff and Calvin Shiening Wang. These partnerships have contributed to the refinement and success of his inventions.
Conclusion
Roger L Johnsen's innovative patents reflect his dedication to improving safety and functionality in mechanical systems. His contributions continue to influence the industry and enhance user experiences.
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.