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Orland Park, IL, United States of America

Donald R Richardson

Average Co-Inventor Count = 2.14

ph-index = 5

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 = 100

Donald R RichardsonGary K Hasegawa (4 patents)Donald R RichardsonJames J Fridl (1 patent)Donald R RichardsonJohn R Montgomery, Iv (1 patent)Donald R RichardsonDonald R Richardson (5 patents)Gary K HasegawaGary K Hasegawa (46 patents)James J FridlJames J Fridl (3 patents)John R Montgomery, IvJohn R Montgomery, Iv (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Continental Group, Inc. (4 from 329 patents)

2. Other (1 from 832,761 patents)


5 patents:

1. 4449833 - Break away alarm clock

2. D272607 - Pull tab for a container end

3. D267629 - Bottle

4. D266991 - End closure for a container

5. 4244488 - Plastic pull tab with memory

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as of
12/16/2025
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