Growing community of inventors

Northbrook, IL, United States of America

Walter L Johnson

Average Co-Inventor Count = 1.14

ph-index = 2

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 = 31

Walter L JohnsonJeffrey F Ullrich (1 patent)Walter L JohnsonWalter L Johnson (4 patents)Jeffrey F UllrichJeffrey F Ullrich (8 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (2 from 832,966 patents)

2. Phoenix Closures, Inc. (2 from 86 patents)


4 patents:

1. 9888765 - System of retractable shelves

2. 9198509 - System of retractable shelves

3. 5915601 - Scored dispensing liner

4. 5579943 - Container and dispensing closure lid having a tear-away tab

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as of
1/16/2026
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