Glendale, CA, United States of America

Wolfgang Spiegelstein

This inventor holds 4 USPTO granted patents. Top assignees: Kennedy Company, Irwin Magnetic Systems, Inc., Roberts Consolidated Industries, Inc.. Active years: 1981-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Wolfgang Spiegelstein. Retrieved from https://idiyas.com/inventor/wolfgang-spiegelstein

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 = 1.1

ph-index = 3

Forward Citations = 45(Granted Patents)


Company Filing History:


Years Active: 1981-1989

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4 patents (USPTO):Explore Patents

Title: Wolfgang Spiegelstein: Innovator in Tape Drive Technology

Introduction

Wolfgang Spiegelstein is a notable inventor based in Glendale, CA (US). He has made significant contributions to the field of technology, particularly in the development of tape drive systems. With a total of 4 patents to his name, Spiegelstein's work has had a lasting impact on the industry.

Latest Patents

One of his latest inventions is the cartridge tape drive. This innovative device is designed for endwise loading of tape cartridges and features a retractable friction roll that opens the tape access door as the cartridge is loaded into the drive. Additionally, a pivoted cartridge carriage swings the loaded cartridge across the loading path of travel to an operative position, engaging with the drive motor and magnetic head. The design of the drive is optimized to fit within the 'footprint' of a standard 5¼-inch floppy disk drive, showcasing Spiegelstein's ability to create compact and efficient technology.

Career Highlights

Throughout his career, Wolfgang Spiegelstein has worked with several companies, including Kennedy Company and Irwin Magnetic Systems, Inc. His experience in these organizations has contributed to his expertise in the field of magnetic storage solutions.

Collaborations

Spiegelstein has collaborated with various professionals in the industry, including his coworker Harvey J. Hill. Their joint efforts have further advanced the development of innovative technologies in tape drives.

Conclusion

Wolfgang Spiegelstein's contributions to tape drive technology and his innovative spirit have established him as a respected figure in the field. His patents reflect a commitment to improving technology and enhancing user experience.

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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