Robert C. Coffin

City:

Plainfield, Indiana

Country:

United States

Published Applications:

Last publication date:

2022-11-10

Top Assignees for applications by Robert C. Coffin

The entities that hold a legal rights for patent applications filed by inventor Coffin Robert C.:

3M INNOVATIVE PROPERTIES COMPANY 3 St. Paul, MN United States
3M Innovative Properties Company 1 Saint Paul, MN United States

Recent patent applications by Coffin Robert C.

Robert C. Coffin from Plainfield, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2022-11-10

US20220354698A1

Human necessities

PLASTIC ALLOY EARPLUG CORE

#2 | 2022-09-22

US20220296420A1

Human necessities

Push-in earplug and method of making the same using a mandrel

#3 | 2021-10-21

US20210322224A1

Human necessities

COLD-DRAWN POLYOLEFIN COPOLYMERS CORD FOR EARPLUG

#4 | 2020-12-17

US20200390608A1

Human necessities

EARPLUS ASSEMBLY AND METHOD FOR FORMING THE SAME

#5 | 2020-06-25

US20200197224A1

Human necessities

Push-to-fit earplug with tip cavity

#6 | 2020-06-11

US20200179173A1

Human necessities

Cold-drawn polyolefin copolymers cord for earplug

InventorID:

2755116 ⎘