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New Hartford, CT, United States of America

Lewis W Chappel

Average Co-Inventor Count = 3.00

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 = 139

Lewis W ChappelRichard Joseph Deslauriers (3 patents)Lewis W ChappelRobert T Potash (3 patents)Lewis W ChappelLewis W Chappel (3 patents)Richard Joseph DeslauriersRichard Joseph Deslauriers (26 patents)Robert T PotashRobert T Potash (13 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Doctors Research Group, Inc. (2 from 6 patents)

2. Other (1 from 832,912 patents)


3 patents:

1. 7041056 - Inflatable speculums

2. 6520281 - Elastomeric anti-microbial stethoscope diaphragm

3. 6513621 - Method of producing and making use of ear tips having a filled airtight chamber

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