Growing community of inventors

Chicago, IL, United States of America

Mark L Walsh

Average Co-Inventor Count = 1.20

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 = 52

Mark L WalshJames R Lutz (1 patent)Mark L WalshTimothy N Curameng (1 patent)Mark L WalshMark L Walsh (4 patents)James R LutzJames R Lutz (9 patents)Timothy N CuramengTimothy N Curameng (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Dacor (3 from 45 patents)

2. Other (1 from 832,718 patents)


4 patents:

1. 5313712 - Scuba diving instrument console having swivelling compass assembly

2. 4834084 - Self-draining snorkel

3. D290763 - Diving mask

4. D288346 - Snorkel

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as of
12/11/2025
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