John R Crawford is a notable inventor based in Inver Grove Heights, MN (US). He holds a total of 10 patents that reflect his innovative contributions to safety and transportation systems. His work has significantly impacted the way we approach ladder safety and bicycle transportation.

Latest Patents

One of Crawford's latest inventions is the ladder tie-off system. This system incorporates a safety strap into a ladder to secure it and prevent undesired tipping. The design includes a ladder with lateral side members and rungs, along with an extendable tether that features a tensioning mechanism. The tether is secured to a static object near the top of the ladder, ensuring stability during use. Another significant invention is the bicycle transporting system, which allows for the safe transport of bicycles on vehicles. This system includes a front and rear wheel-suspender that suspends the bicycle's wheels while maintaining operable attachment to the bicycle. It also features a mount for securing the support to the vehicle, along with a system for hitching together frames to expand the number of bicycles that can be transported.

Career Highlights

Throughout his career, John R Crawford has worked with various companies, including Atlantic Research Corporation. His innovative spirit and dedication to safety and efficiency have made him a respected figure in his field.

Collaborations

Crawford has collaborated with notable individuals such as Ward Figge and Kenneth J Graham, contributing to the development of his innovative solutions.

Conclusion

John R Crawford's contributions to ladder safety and bicycle transportation systems showcase his commitment to innovation and safety. His patents reflect a deep understanding of practical challenges and a desire to create effective solutions.

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