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Inventor

Christopher D. Stirling

Inventor
Holland, MI, US

Overview

6→
Patents
2008–2020
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

G08Bprimary
G08BSignalling systems, e.g. personal calling systems67%
A47LDomestic washing or cleaning33%
PatentTitleYear
10,827,888Vacuum cleaner20209,901,230'Vacuum cleaner'20188,232,884'Carbon monoxide and smoke detectors having distinct alarm indications and a test button that indicates improper operation'20127,920,053'Notification system and method thereof'20117,616,126'Optical particle detectors'20097,375,617'Evacuation appliance'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2012Patents assigned to GENTEX CORP (4)· patent assignee history
2008–2020Based in Holland, MI, US· patent location history
2012Patents assigned to EDWARDS SCOTT R (1)· patent assignee history
2012Patents assigned to FISH JR RICHARD T (1)· patent assignee history
2018–2020Patents assigned to BISSELL HOMECARE INC (2)· patent assignee history
2020Patents assigned to BISSELL INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GENTEX CORP42008–2012
BISSELL HOMECARE INC22018–2020
BISSELL INC12020
EDWARDS SCOTT R12012
FISH JR RICHARD T12012
Locations
LocationPatentsSpan
Holland, MI, US62008–2020