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Inventor

MICHAEL J. COWELL

Inventor
US

Overview

4→
Patents
2022–2024
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A62Bprimary
A62BDevices, apparatus or methods for life-saving57%
A61MDevices for introducing media into, or onto, the body29%
A42BHats14%
PatentTitleYear
12,128,259Respirator negative pressure fit check devices and methods202411,992,078Headwear suspension attachment element202411,865,375Respirator fit check sealing devices and methods202411,219,787Respirator fit check sealing devices and methods2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to 3M INNOVATIVE PROPERTIES CO (1)· patent assignee history
2022–2024Based in US· patent location history
2024Patents assigned to 3M INNOVATIVE PROPERTIES COMPANY (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
3M INNOVATIVE PROPERTIES COMPANY32024
3M INNOVATIVE PROPERTIES CO12022
Locations
LocationPatentsSpan
US42022–2024