Growing community of inventors

Chevy Chase, MD, United States of America

Alan H Grant

Average Co-Inventor Count = 1.12

ph-index = 15

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 = 1,672

Alan H GrantRichard Joseph Gambino (4 patents)Alan H GrantEugene A Helmetsie (1 patent)Alan H GrantAndrew K Knutsen (1 patent)Alan H GrantAlan H Grant (28 patents)Richard Joseph GambinoRichard Joseph Gambino (68 patents)Eugene A HelmetsieEugene A Helmetsie (26 patents)Andrew K KnutsenAndrew K Knutsen (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (18 from 832,812 patents)

2. Privicom, Inc. (3 from 3 patents)

3. Ergonomics, Inc. (2 from 2 patents)

4. Privicon, Inc. (1 from 1 patent)


28 patents:

1. 9179727 - Energy dissipation system for a helmet

2. 8128221 - Method for correcting vision problems

3. 6811258 - Eyeglasses for improved visual contrast using hetero-chromic light filtration

4. 6579728 - Fabrication of a high resolution, low profile credit card reader and card reader for transmission of data by sound

5. 6578965 - Objective system and method for evaluating ocular changes including assessment of macular integrity and function

6. 6481623 - Card reader for transmission of data by sound

7. 6129277 - Card reader for transmission of data by sound

8. 6095416 - Method and device for preventing unauthorized use of credit cards

9. 6067358 - Ergonomic cellular phone

10. D407715 - Ergonomic cellular phone

11. 5500643 - One-hand prehensile keyboard

12. 5464292 - Keyboard alignment device

13. D361988 - Combined keyboard alignment device and palm rest

14. D361991 - Combined trackball and mouse

15. 5428368 - Combination mouse and track ball unit

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as of
12/20/2025
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