Company Filing History:
3 out of 64 
1 out of 16,083 Years Active: 1976-1987
Title: David Hoffman: Innovator in Merchandising Technology
Introduction
David Hoffman is a notable inventor based in Hillsdale, NJ, with a focus on advancements in merchandising technology. He holds a total of four patents that showcase his innovative contributions to the field. His work primarily revolves around improving the efficiency and functionality of merchandising machines.
Latest Patents
One of Hoffman's latest patents is the "Price setting and display system for multiple unit merchandising machine." This invention features an enhanced price display system for multi-level merchandising machines, allowing for individual electronic price displays adjacent to each level. The prices and displays can be rapidly changed from within the machine cabinet, providing flexibility in operation. Additionally, the system can display and modify the mode of operation and compartment size of each level. A timer can also be integrated to automatically change prices at predetermined times, utilizing a minimal number of conductors to control numerous displays.
Another significant patent is the "Apparatus for preventing circuit burn-out in multi-price merchandisers." This invention aims to prevent circuit burn-out in motor-driven merchandisers. It employs a series of redundant diodes to connect a price matrix to the open contacts of selection switches. In another configuration, the price matrix connects to the first normally open contacts of double pole, double throw selection switches, with the second contacts linked to the delivery drive means.
Career Highlights
Throughout his career, David Hoffman has worked with several prominent organizations, including Rowe International Corporation and the United States Navy. His experience in these companies has contributed to his expertise in merchandising technology and innovation.
Collaborations
Hoffman has collaborated with notable individuals in his field, including Lee C. Verduin and Ross A. Ouwinga. These partnerships have likely enriched his work and led to further advancements in his inventions.
Conclusion
David Hoffman is a distinguished inventor whose contributions to merchandising technology have made a significant impact. His innovative patents reflect his commitment to enhancing the functionality and efficiency of merchandising machines. His work continues to influence the industry and inspire future innovations.