Growing community of inventors

Essex, MA, United States of America

John H Knowles, Jr

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 = 20

John H Knowles, JrDeeAnn I Yabusaki (2 patents)John H Knowles, JrJohn C Niles (1 patent)John H Knowles, JrJohn H Knowles, Jr (3 patents)DeeAnn I YabusakiDeeAnn I Yabusaki (2 patents)John C NilesJohn C Niles (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Littlepoint Corporation (3 from 4 patents)


3 patents:

1. 5575988 - Combination sunscreen and insect repellent

2. 5438886 - Volumetric measurement device for a dispensing container

3. 5383373 - Method for measuring topical dosage dispensed

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as of
12/18/2025
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