Growing community of inventors

Greenville, SC, United States of America

Mark Robertson

Average Co-Inventor Count = 2.86

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 = 12

Mark RobertsonHans E Nutz (1 patent)Mark RobertsonAnthony E Lee (1 patent)Mark RobertsonDavid E Maughan (1 patent)Mark RobertsonMarc P Lyle (1 patent)Mark RobertsonScott D Henderson (1 patent)Mark RobertsonMark Robertson (2 patents)Hans E NutzHans E Nutz (15 patents)Anthony E LeeAnthony E Lee (3 patents)David E MaughanDavid E Maughan (3 patents)Marc P LyleMarc P Lyle (1 patent)Scott D HendersonScott D Henderson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Watermark Paddlesports, Inc. (1 from 17 patents)

2. Confluence Outdoor, LLC (1 from 8 patents)


2 patents:

1. 10214267 - Watercraft

2. 6860223 - Self-propelled personal watercraft

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as of
1/4/2026
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