Northbridge, MA, United States of America

Stephen Charles Witkus

This inventor holds 22 USPTO granted patents and 8 published patent applications, plus 1 CIPO patent and 13 EPO patents, primarily in Razor Technology. Top assignees: The Gillette Company, Gillette Canada Inc. Active years: 1999-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stephen Charles Witkus. Retrieved from https://idiyas.com/inventor/stephen-charles-witkus

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

USPTO Granted Patents = 22 

% Patents Active = 95.5


 

Average Co-Inventor Count = 3.0

ph-index = 10

Forward Citations = 538(Granted Patents)


Location History:

  • West Boylston, MA (US) (1999 - 2000)
  • Grafton, MA (US) (2012)
  • Northbridge, MA (US) (2011 - 2022)

Company Filing History:


Years Active: 1999-2022

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Areas of Expertise:
Razor Handle
Razor Cartridge
Coefficient Of Friction
Shaving Cartridge
Skin Support
Gum Massaging Brush
Blade Geometry
Grip Design
Guard Structure
Testing Apparatus
22 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Stephen Charles Witkus

Introduction

Stephen Charles Witkus, a prolific inventor based in Northbridge, MA, has made significant contributions to the field of product design and engineering, boasting an impressive portfolio of 22 patents. His innovations are particularly noteworthy in the consumer goods sector, particularly in the development of personal grooming products.

Latest Patents

Among his latest inventions is a handle for a razor. This innovative razor handle features a head that includes a cartridge engaging end and an attachment end. The body consists of a front and rear end, with its construction made of a first shell and a second shell that are securely coupled together. The handle is designed so that the front end connects with the attachment end. An outer cover layer partially envelops the body, while a clip member, positioned at the rear end, ensures the first and second shells stay connected, utilizing various retention features that enhance the handle's functionality.

Another noteworthy patent involves an apparatus for testing the coefficient of friction. This apparatus comprises a base, a ramp, and an actuator, with the ramp featuring two rails spaced apart to define a travel path for the article being tested. The actuator enables selective pivoting of the ramp, adjusting between different angular positions for effective testing.

Career Highlights

Witkus has had a prominent career working for renowned companies, including The Gillette Company and Gillette Canada Inc. His extensive experience in these organizations has allowed him to refine his skills in product development and innovation, contributing to the advancement of grooming technologies.

Collaborations

Throughout his career, Stephen has collaborated with notable professionals such as Hong Lu and Neil Dustin Lettenberger. These collaborations have fostered the exchange of ideas and expertise, further enhancing the innovative projects Witkus has pursued.

Conclusion

Stephen Charles Witkus exemplifies the spirit of innovation in the product design industry. With a substantial number of patents to his name and valuable experience at leading companies, his contributions, including the development of a razor handle and an apparatus for testing coefficients of friction, demonstrate his commitment to enhancing consumer experiences through practical and efficient solutions. His work continues to inspire future innovations in the field.

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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