Growing community of inventors

Scarborough, Canada

John Zimmerman

Average Co-Inventor Count = 2.14

ph-index = 3

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 = 24

John ZimmermanKenneth Anthony Sears (4 patents)John ZimmermanRobert David Dunn (4 patents)John ZimmermanJohn Zimmerman (5 patents)Kenneth Anthony SearsKenneth Anthony Sears (5 patents)Robert David DunnRobert David Dunn (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Paperboard Industries Corporation (2 from 12 patents)

2. Kraft Canada Inc. (2 from 6 patents)


5 patents:

1. D439163 - Spoon blank with detachable spoons

2. D438796 - Spoon blank with detachable spoons

3. D434982 - Spoon blank with detachable spoons

4. 6068114 - Container package with spoons

5. 4757939 - Carton divider

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idiyas.com
as of
12/19/2025
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