Douglas Edward Rigney

Title: Douglas Edward Rigney: Innovator in Practical Design

Introduction

Douglas Edward Rigney is a notable inventor based in Pleasant Hill, CA (US). He has made significant contributions to the field of practical design, holding a total of 3 patents. His innovative spirit is reflected in his latest inventions, which aim to enhance everyday functionality.

Latest Patents

One of Rigney's latest patents is the "Implement Holder." This apparatus is designed to hold articles, such as writing instruments, in cooperation with a surface like a book cover. It features a flat support member, a clamp element, and an article retaining portion made from a resilient material bent into a serpentine profile. This design includes various bend portions that create channels for retaining articles, along with an optional bookmarker for added convenience.

Another significant invention is the "Collapsible Hole Punch." This compact device allows users to manually punch holes through sheet-like material, enabling the material to be mounted on multi-ring binders. The hole punch consists of male and female plates that move convergently between open and collapsed positions. It includes punch pegs and die openings that work together to cut holes in the material. An adjustable slide member enhances the functionality by locking the hole punch in the collapsed position and serving as a stop guide for positioning the material.

Career Highlights

Throughout his career, Douglas Edward Rigney has focused on creating practical solutions that simplify tasks and improve user experience. His inventive approach has led to the development of tools that are both functional and user-friendly.

Collaborations

Rigney has collaborated with Leonard L Hofheins, contributing to the innovative environment in which he works. Their partnership exemplifies the spirit of teamwork in the pursuit of practical inventions.

Conclusion

Douglas Edward Rigney is a dedicated inventor whose work has resulted in valuable patents that enhance everyday life. His innovative designs, such as the Implement Holder and Collapsible Hole Punch, showcase his commitment to practical solutions. Rigney's contributions continue to inspire and improve the functionality of everyday tools.