Rochester, MN, United States of America

Mark Charles Agnew

This inventor holds 3 USPTO granted patents. Top assignee: International Business Machines Corporation. Active years: 1977-1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mark Charles Agnew. Retrieved from https://idiyas.com/inventor/mark-charles-agnew

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 17(Granted Patents)


Company Filing History:


Years Active: 1977-1981

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3 patents (USPTO):Explore Patents

Title: Mark Charles Agnew and His Patent Contributions.

Introduction

Mark Charles Agnew is an inventor associated with Rochester, Minnesota, and International Business Machines Corporation. His recorded patent work includes inventions related to point-of-sale technology and punched-card processing. He holds 3 patents.

Latest Patents

The supplied patent information includes a point-of-sale terminal and a reading machine for punched document cards. The reading-machine invention describes a system that feeds cards from a hopper, separates the bottommost card from the deck, moves it through the machine, and reads its punched holes.

Career Highlights

Agnew’s patent record reflects work on business and data-processing equipment. The punched-card reader’s mechanisms for feeding, supporting, and reading cards illustrate an approach to automating document processing.

Collaborations

Agnew’s listed coworkers include Wayne L. Aderman and Frank Wilkey, Jr. His company affiliation is International Business Machines Corporation.

Conclusion

Mark Charles Agnew’s recorded inventions connect point-of-sale equipment with punched-card processing, highlighting his contributions to business technology.

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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