Growing community of inventors

Lancaster, NY, United States of America

Mark A Wojtkiewicz

Average Co-Inventor Count = 2.13

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 = 99

Mark A WojtkiewiczGerald P Sitarski (2 patents)Mark A WojtkiewiczRoss Rumfola, Iii (2 patents)Mark A WojtkiewiczDave Moomaw (2 patents)Mark A WojtkiewiczKevin R Shinn (2 patents)Mark A WojtkiewiczDavid E Moomaw (1 patent)Mark A WojtkiewiczDavid E Grober (1 patent)Mark A WojtkiewiczDaniel M Dignitti (1 patent)Mark A WojtkiewiczAnthony E Eichhorn (1 patent)Mark A WojtkiewiczDavid G Waples (1 patent)Mark A WojtkiewiczFrederick L Schreier (1 patent)Mark A WojtkiewiczPeter Pook (1 patent)Mark A WojtkiewiczMark A Wojtkiewicz (8 patents)Gerald P SitarskiGerald P Sitarski (15 patents)Ross Rumfola, IiiRoss Rumfola, Iii (14 patents)Dave MoomawDave Moomaw (2 patents)Kevin R ShinnKevin R Shinn (2 patents)David E MoomawDavid E Moomaw (26 patents)David E GroberDavid E Grober (10 patents)Daniel M DignittiDaniel M Dignitti (9 patents)Anthony E EichhornAnthony E Eichhorn (8 patents)David G WaplesDavid G Waples (5 patents)Frederick L SchreierFrederick L Schreier (2 patents)Peter PookPeter Pook (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mattel, Inc. (6 from 1,702 patents)

2. Fisher-price, Inc. (2 from 87 patents)


8 patents:

1. D671994 - Children's play table

2. 6964634 - Jumping device with convertible stabilizing base

3. 6877501 - Ball launching apparatus

4. 6857965 - Suspension swing with a recline mechanism and a method of using the same

5. 6648717 - Adjustable hoop and method of using the same

6. 6637422 - Ball launching apparatus

7. 5275464 - Vehicle booster seat

8. D333599 - Combined infant carrier and bed

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as of
12/8/2025
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