Inventor

David Easterbrook

Inventor
Troy, MI, US

Overview

7→
Patents
1996–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

G10Kprimary
G10KSound-producing devices15%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers15%
B60BVehicle wheels10%
F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere10%
H04SStereophonic systems10%
A47BTables5%
A47FSpecial furniture, fittings, or accessories for shops, storehouses, bars, restaurants or the like5%
A47GHousehold or table equipment5%
B62DMotor vehicles5%
F24FAir-conditioning5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to EASTORAC CORP (1)· patent assignee history
1996Based in Toronto, CA· patent location history
2016–2019Patents assigned to BOSE CORP (3)· patent assignee history
2016–2021Patents assigned to EASTERBROOK DAVID J (3)· patent assignee history
2016–2021Based in Troy, MI, US· patent location history
2016–2019Based in Shrewsbury, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BOSE CORP32016–2019
EASTERBROOK DAVID Jself32016–2021
EASTORAC CORP11996
Locations
LocationPatentsSpan
Troy, MI, US32016–2021
Shrewsbury, Massachusetts, US32016–2019
Toronto, CA11996