Growing community of inventors

Feeding Hills, MA, United States of America

Bertram R Goodwin

Average Co-Inventor Count = 2.00

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 = 39

Bertram R Goodwin ↔ Peter R Ramirez (1 patent)Bertram R Goodwin ↔ Bradford Canterbury (1 patent)Bertram R GoodwinBertram R Goodwin (2 patents)Peter R RamirezPeter R Ramirez (4 patents)Bradford CanterburyBradford Canterbury (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. American Optical Corporation (2 from 409 patents)


2 patents:

1. 4227673 - Gasket for casting lenses

2. 3996701 - Lens block with preform

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