Inventor

Jack Y. Dagdagan

Inventor
Redmond, WA, US

Overview

2→
Patents
2017–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers67%
H03GControl of amplification33%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017Patents assigned to APPLE INC (1)· patent assignee history
2017Based in Worms, DE, US· patent location history
2020Patents assigned to FACEBOOK TECH LLC (1)· patent assignee history
2020Based in Redmond, WA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
APPLE INC12017
FACEBOOK TECH LLC12020
Locations
LocationPatentsSpan
Redmond, Washington, US12020
Worms, Delaware, US12017