Growing community of inventors

Needham, MA, United States of America

John M Alden

Average Co-Inventor Count = 1.40

ph-index = 3

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 = 17

John M AldenGeorge C Williams (4 patents)John M AldenJohn M Alden (7 patents)George C WilliamsGeorge C Williams (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Alden Research Foundation (7 from 36 patents)


7 patents:

1. 4358778 - Adjustable blade for facsimile recording machine

2. 4234886 - Electric graphic recorder

3. 4159479 - Electrolytic graphic recorder with cover receiving recording web

4. 4131901 - Cover mounted holddown for facsimile recorder cassette

5. 4121226 - Idler guide for facsimile scanning belt

6. 4119975 - Facsimile cassette with wire electrode

7. 4018985 - Facsimile apparatus for scanning a selected portion of a graphic record

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/19/2025
Loading…