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Plainfield, IN, United States of America

Robert C Coffin

USPTO Granted Patents = 6 (Patent Applications = 4)

EPO Patents = 4 (Patent Applications = 7)

Average Co-Inventor Count = 4.3

ph-index = 1

Forward Citations = 7(Granted Patents)

Location History:

Zionsville, IN (US) (2020)
Zionsville, MN (US) (2022)
Plainfield, IN (US) (2021 - 2023)

Company Filing History:

6 out of 14,059

3m Innovative Properties Company

Years Active: 2020-2023

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6 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 11786408 - Push-in earplug and method of making the same using a mandrel (2023-10-17),

2. 11407872 - Foam compositions comprising polylactic acid polymer, polyvinyl acetate polymer and plasticizer, articles, and methods of making and using same (2022-08-09),

3. 11304851 - Push-to-fit earplug with tip cavity (2022-04-19),

4. 11076995 - Cold-drawn polyolefin copolymers cord for earplug (2021-08-03),

5. D895901 - Hearing protector (2020-09-08),

6. D889754 - Hearing protector (2020-07-07),

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