Growing community of inventors

Saint Paul, MN, United States of America

Roy L McQuinn

Average Co-Inventor Count = 1.33

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 = 140

Roy L McQuinnJoan K Barkhaus (1 patent)Roy L McQuinnRoy L McQuinn (2 patents)Joan K BarkhausJoan K Barkhaus (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Minnesota Mining and Manufacturing Company (2 from 7,865 patents)


2 patents:

1. 5780045 - Transmucosal drug delivery device

2. 5113860 - Non-invasive transmucosal drug level monitoring method

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