Growing community of inventors

Dublin, VA, United States of America

Drusilla L Underwood

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 = 52

Drusilla L UnderwoodDavid A Vosika (2 patents)Drusilla L UnderwoodDrusilla L Underwood (2 patents)David A VosikaDavid A Vosika (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Hubbell Limited (2 from 2,437 patents)


2 patents:

1. 6132070 - Self-aligning canopy structure for connection to a mounting plate

2. 6095670 - Circular mounting plate adapter for attaching an exit sign to a junction

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as of
12/20/2025
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