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Bolton, Canada

Leonard W Clement

Average Co-Inventor Count = 1.00

ph-index = 6

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 = 251

Leonard W ClementLeonard W Clement (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Irwin Toy Limited (3 from 10 patents)

2. Cooper Canada Limited (3 from 7 patents)


6 patents:

1. D387505 - Hockey glove

2. 5477559 - Extensible shin guard

3. 5413199 - Equipment bag having a removable inner mesh sack

4. 4587677 - Helmet face mask

5. 4539715 - Size adjustable helmet

6. D277331 - Hockey helmet

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as of
1/8/2026
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