Location History:
- Roselle, IL (US) (1987 - 1992)
- Union, IL (US) (1993 - 2000)
- Marinette, WI (US) (2003)
Company Filing History:
10 out of 278 
2 out of 3 
1 out of 9,471 
Years Active: 1987-2003
Title: The Innovative Mind of James J. Grinsteiner
Introduction
James J. Grinsteiner, an accomplished inventor based in Union, Illinois, has made significant contributions to the field of engineering and design. With a total of 14 patents to his name, Grinsteiner's inventive spirit has led to innovations that enhance the functionality of vending machines and coin dispensing systems.
Latest Patents
Grinsteiner's latest innovations include two notable patents that showcase his creativity and technical expertise. The first is a **Coin Receptacle Assembly with Door Locking Mechanism**, specifically designed for vending machines. This invention features a funnel unit that is connected to a coin receptacle unit, which can be easily mounted or removed. A secure door moves between an open position when attached and a closed position when separated, employing a lock arm to prevent unauthorized access to the coins inside.
The second patent is an **Automatic Hopper Fill System for Coin Dispensing Machines**. This system includes an auxiliary coin reservoir positioned within the machine, which automatically refills the hopper when it becomes empty. By utilizing an electro-mechanically controlled release door that opens based on a hopper empty code, the system ensures continuous operation. An indicator light on the machine alerts operators when the auxiliary container has released coins, making restocking more efficient.
Career Highlights
Throughout his career, Grinsteiner has been associated with prominent companies such as Navistar International Transportation Corporation and Glenview Systems Inc. His work at these organizations has not only enhanced his skills but also allowed him to contribute to the development of groundbreaking technologies in his field.
Collaborations
In his journey of innovation, Grinsteiner collaborated with notable coworkers including George J. Maat and Ronald J. Rogalla. Their combined knowledge and expertise have been instrumental in driving forward-thinking projects and creating impactful inventions.
Conclusion
James J. Grinsteiner stands out as a dedicated inventor whose work has changed the landscape of coin dispensing technology. His latest patents demonstrate a commitment to enhancing security and efficiency in vending operations, making him a notable figure in the world of innovation. With a career marked by collaboration and success, Grinsteiner continues to inspire future inventors and engineers.