Growing community of inventors

Ridgefield, CT, United States of America

Robert S McDarren

Average Co-Inventor Count = 2.61

ph-index = 5

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 = 94

Robert S McDarrenThomas L Simmel (2 patents)Robert S McDarrenJoseph F Truchsess (2 patents)Robert S McDarrenDavid R Auerbach (1 patent)Robert S McDarrenThomas L Simmell (1 patent)Robert S McDarrenGintaras A Vaisnys (1 patent)Robert S McDarrenPhilip C Black (1 patent)Robert S McDarrenBarry Y Piels (1 patent)Robert S McDarrenRobert S McDarren (5 patents)Thomas L SimmelThomas L Simmel (20 patents)Joseph F TruchsessJoseph F Truchsess (14 patents)David R AuerbachDavid R Auerbach (31 patents)Thomas L SimmellThomas L Simmell (1 patent)Gintaras A VaisnysGintaras A Vaisnys (1 patent)Philip C BlackPhilip C Black (1 patent)Barry Y PielsBarry Y Piels (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Link Group International (5 from 10 patents)

2. Cygnet, Inc. (1 from 1 patent)


5 patents:

1. 5637996 - Toy system with movable vehicles

2. 5487925 - Ornament/display member

3. 5330380 - Audible message/information delivery system

4. 5145443 - Musical toy hoop

5. 4937207 - Portable toy vehicle racing set

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as of
12/19/2025
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