Growing community of inventors

Pittsburgh, PA, United States of America

John M Copper

Average Co-Inventor Count = 1.60

ph-index = 4

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 = 489

John M CopperAlex Bally (1 patent)John M CopperJohn M Richter (1 patent)John M CopperDan H Chinda (1 patent)John M CopperJohn M Copper (4 patents)Alex BallyAlex Bally (4 patents)John M RichterJohn M Richter (3 patents)Dan H ChindaDan H Chinda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Micromed Systems, Inc. (3 from 3 patents)

2. Other (1 from 832,912 patents)


4 patents:

1. 5640152 - Hand held computer input apparatus and method

2. 5485171 - Hand held computer input apparatus and method

3. D349491 - Handheld input device for computers

4. D340042 - Handheld computer pointing device

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as of
1/9/2026
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