Growing community of inventors

Washington, OH, United States of America

Robert Willoughby

Average Co-Inventor Count = 2.00

ph-index = 1

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 = 28

Robert WilloughbyPhil D Thorp (1 patent)Robert WilloughbyRobert Willoughby (1 patent)Phil D ThorpPhil D Thorp (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The Aro Corporation (1 from 86 patents)


1 patent:

1. 4880064 - Torque sensing, automatic shut-off and reset clutch for screwdrivers,

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