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For the Inventor, By the Inventor

West Dundee, IL, United States of America

Frank John Chvojcsek

This inventor holds 7 USPTO granted patents and 1 published patent application. Top assignee: Stenograph Corporation. Active years: 1982-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Frank John Chvojcsek. Retrieved from https://idiyas.com/inventor/frank-john-chvojcsek

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

USPTO Granted Patents = 7 

% Patents Active = 71.4

Average Co-Inventor Count = 1.6

ph-index = 4

Forward Citations = 34(Granted Patents)


Location History:

  • Chicago, IL (US) (1982 - 1984)
  • W. Dindee, IL (US) (1995)
  • West Dundee, IL (US) (2002 - 2008)

Company Filing History:

goldMedal7 out of 15 
 
Stenograph Corporation
 patents

Years Active: 1982-2008

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7 patents (USPTO):Explore Patents
1. 7403375 - Adjustable LCD screen assembly for writing machine (2008-07-22),
2. D554922 - Stenographic tabletop (2007-11-13),
3. 6736558 - Disposable ribbon cartridge for shorthand machines (2004-05-18),
4. 6422771 - Disposable ribbon cartridge for shorthand machine (2002-07-23),
5. 5395178 - Tripod for supporting a shorthand machine (1995-03-07),
6. 4439798 - Referencing device for digital data recorders (1984-03-27),
7. 4363557 - Marking device for shorthand machine (1982-12-14),

Title: The Innovations of Frank John Chvojcsek

Introduction

Frank John Chvojcsek is a notable inventor based in West Dundee, Illinois. He holds a total of seven patents, showcasing his contributions to the field of technology and innovation. His work primarily focuses on enhancing the functionality and usability of writing machines.

Latest Patents

One of his latest inventions is the Adjustable LCD Screen Assembly for Writing Machine. This innovative assembly includes a base and an LCD screen coupled by a hinge assembly. The hinge assembly features a pivot post, locking set screws, Bellville spring washers, and a compression mechanism that allows for infinite adjustability of the LCD screen within a specified range of motion. This design ensures that the LCD screen remains stable under static conditions while providing flexibility during use. Another significant invention is the Stenographic Tabletop, which further demonstrates his expertise in creating practical solutions for writing machines.

Career Highlights

Throughout his career, Frank has worked with prominent companies such as Stenograph Corporation and Stenograph LLC. His experience in these organizations has allowed him to refine his skills and contribute to the development of innovative products in the stenography field.

Collaborations

Frank has collaborated with talented individuals, including Dennis John Kras and Paul J. Fowler. Their combined efforts have led to advancements in the technology associated with writing machines.

Conclusion

Frank John Chvojcsek's contributions to the field of invention, particularly in writing machines, highlight his innovative spirit and dedication to improving technology. His patents reflect a commitment to enhancing user experience and functionality in everyday tools.

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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