Boulder, CO, United States of America

William M Schiffmacher

This inventor holds 4 USPTO granted patents. Top assignees: Aspen Ribbons, Inc., United Recycle, Inc.. Active years: 1978-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: William M Schiffmacher. Retrieved from https://idiyas.com/inventor/william-m-schiffmacher

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 3

Forward Citations = 24(Granted Patents)


Location History:

  • Boulder, CO (US) (1978 - 1985)
  • Eagle Vail, CO (US) (1990)

Company Filing History:


Years Active: 1978-1990

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4 patents (USPTO):Explore Patents

Title: Innovator William M. Schiffmacher: Pioneering Advances in Printer Technology

Introduction

William M. Schiffmacher, an inventive mind based in Boulder, Colorado, has made significant contributions to the field of printing technology. With four patents to his name, his work primarily focuses on enhancing the functionality of dot matrix printers, showcasing his commitment to innovation in practical applications.

Latest Patents

Among William's latest inventions is the "Replaceable Ribbon Guide for Dot Matrix Printers." This innovative device includes a ribbon guide designed for dot matrix printers featuring a printhead that traverses parallel to the printing platen. Schiffmacher's design incorporates a central body portion that pivots on pins attached to the printhead. It features a pair of faceted ring segments that support the ribbon as it passes through the guide. Notably, the ribbon guide can be selectively shifted to align the segments of the ribbon for optimal printing quality, resulting in less distortion during the print process. This inventive solution allows for field replacement of the ribbon guide, improving ease of use and maintenance.

Another notable patent is the "Printer Ribbon Cartridge," which further showcases his expertise in streamlining printer components for enhanced user experience and efficiency.

Career Highlights

Throughout his career, Schiffmacher has been associated with esteemed companies such as Aspen Ribbons, Inc. and United Recycle, Inc. His experience in these organizations has allowed him to develop and refine his inventions, contributing to advancements in printing technology.

Collaborations

Collaboration has played a crucial role in Schiffmacher's innovative journey. He has worked alongside notable individuals such as J. Eugene Knutson and B. Franklin Griffin Jr., pooling their expertise and insights to push the boundaries of printer technology.

Conclusion

William M. Schiffmacher's contributions to the field of dot matrix printing through his patents highlight his innovative spirit and dedication to improving technology. His work continues to influence the printing industry, demonstrating how inventive solutions can lead to enhanced functionality and user satisfaction.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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