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Wilbraham, MA, United States of America

Wilfred H Gendron

Average Co-Inventor Count = 1.11

ph-index = 10

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 236

Wilfred H GendronGregory Georgiades (1 patent)Wilfred H GendronHarland S Fisher (1 patent)Wilfred H GendronFrank T Knapp (1 patent)Wilfred H GendronWilfred H Gendron (12 patents)Gregory GeorgiadesGregory Georgiades (5 patents)Harland S FisherHarland S Fisher (3 patents)Frank T KnappFrank T Knapp (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Westvaco Corporation (10 from 790 patents)

2. United States Envelope Company (2 from 4 patents)


12 patents:

1. 4730767 - Letter sheet with return envelope

2. 4730768 - Remailable envelope

3. 4597591 - Envelope with concealed message window

4. 4579277 - Detachable tip-on envelope

5. 4566627 - Tamper detection envelope

6. 4487360 - Two way envelope

7. 4462538 - Door hanger envelope

8. 4294400 - Non-gusseted expansible envelope

9. 4190161 - Compartmented envelope

10. 4129214 - Two compartmented envelope

11. 3999746 - Method of making a combined brochure and return envelope package

12. 3941309 - Combined brochure and return envelope package

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idiyas.com
as of
12/18/2025
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