Growing community of inventors

Cleveland, OH, United States of America

Nora Robinson

Average Co-Inventor Count = 1.20

ph-index = 3

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 = 45

Nora RobinsonEugene F Martinec (1 patent)Nora RobinsonNora Robinson (3 patents)Eugene F MartinecEugene F Martinec (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Health-mor, Inc. (3 from 9 patents)


3 patents:

1. 4225999 - Multi-motor suction cleaner construction

2. D257255 - Powered suction cleaner nozzle

3. D257256 - Powered suction cleaner nozzle

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as of
12/19/2025
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