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Inventor

DARRILL L. PLUMMER

Inventor
US

Overview

2→
Patents
2024–2025
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A62Bprimary
A62BDevices, apparatus or methods for life-saving100%
PatentTitleYear
12,403,337SCBA with enhanced emergency breathing support system202511,883,695Respirator mask with air-saver switch2024

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024Patents assigned to SCOTT TECH INC (1)· patent assignee history
2024–2025Based in US· patent location history
2025Patents assigned to 3M INNOVATIVE PROPERTIES COMPANY (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
3M INNOVATIVE PROPERTIES COMPANY12025
SCOTT TECH INC12024
Locations
LocationPatentsSpan
US22024–2025