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For the Inventor, By the Inventor

Wilbraham, MA, United States of America

Wilfred H Gendron

This inventor holds 12 USPTO granted patents. Top assignees: Westvaco Corporation, United States Envelope Company. Active years: 1976-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Wilfred H Gendron. Retrieved from https://idiyas.com/inventor/wilfred-h-gendron

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

USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 10

Forward Citations = 237(Granted Patents)


Company Filing History:

goldMedal10 out of 790 
 
Westvaco Corporation
 patents
silverMedal2 out of 4 
 
United States Envelope Company
 patents

Years Active: 1976-1988

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12 patents (USPTO):Explore Patents
1. 4730768 - Remailable envelope (1988-03-15),
2. 4730767 - Letter sheet with return envelope (1988-03-15),
3. 4597591 - Envelope with concealed message window (1986-07-01),
4. 4579277 - Detachable tip-on envelope (1986-04-01),
5. 4566627 - Tamper detection envelope (1986-01-28),
6. 4487360 - Two way envelope (1984-12-11),
7. 4462538 - Door hanger envelope (1984-07-31),
8. 4294400 - Non-gusseted expansible envelope (1981-10-13),
9. 4190161 - Compartmented envelope (1980-02-26),
10. 4129214 - Two compartmented envelope (1978-12-12),
11. 3999746 - Method of making a combined brochure and return envelope package (1976-12-28),
12. 3941309 - Combined brochure and return envelope package (1976-03-02),

Title: The Innovative Contributions of Wilfred H. Gendron

Introduction

Wilfred H. Gendron is a notable inventor based in Wilbraham, MA (US). He has made significant contributions to the field of envelope design and mailing solutions. With a total of 12 patents to his name, Gendron's work has had a lasting impact on the industry.

Latest Patents

Among his latest patents is the "Letter Sheet with Return Envelope." This invention features a personalized envelope assembly that includes a return envelope formed from two separate pieces of material. The outer blank is designed for creating a letter sheet, while a patch adheres to the blank to form the rear panel of the return envelope. The letter sheet blank is prepared in web form, and the patch is applied using window applying equipment. Additionally, the letter sheet blank includes one or more coupon elements that are integral and detachable for return mail.

Another significant patent is the "Remailable Envelope." This invention comprises first and second extensions attached to the front and rear panels, along with first and second closure flaps. The design allows for the rear wall's nominal height to be greater than that of the front wall. By selectively folding the envelope panels about the score lines, the envelope structure can be made smaller for remailing purposes compared to its initial mailing use.

Career Highlights

Gendron has worked with several prominent companies throughout his career, including Westvaco Corporation and United States Envelope Company. His experience in these organizations has contributed to his innovative approach to envelope design and functionality.

Collaborations

Throughout his career, Gendron has collaborated with notable individuals such as Frank T. Knapp and Harland S. Fisher. These collaborations have likely influenced his inventive processes and led to the development of his patents.

Conclusion

Wilfred H. Gendron's contributions to the field of envelope design are noteworthy. His innovative patents, including the letter sheet with return envelope and remailable envelope, showcase his creativity and problem-solving skills. Gendron's work continues to influence the mailing industry today.

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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