Growing community of inventors

Burbank, CA, United States of America

Donald A Long

Average Co-Inventor Count = 3.43

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 = 160

Donald A LongStanley E Charles (4 patents)Donald A LongWalter W Mosher, Jr (2 patents)Donald A LongArthur H Schimmelman (2 patents)Donald A LongPeter G Katsenis (2 patents)Donald A LongDonald A Long (4 patents)Stanley E CharlesStanley E Charles (5 patents)Walter W Mosher, JrWalter W Mosher, Jr (15 patents)Arthur H SchimmelmanArthur H Schimmelman (3 patents)Peter G KatsenisPeter G Katsenis (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Precision Dynamics Corporation (4 from 91 patents)


4 patents:

1. 4386795 - Identification device with versatile imprinting means

2. 4318234 - Identification device with versatile imprinting means

3. 4285146 - Tamper-resistant identification device

4. 4221063 - Tamper-resistant identification device

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as of
12/5/2025
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