LexDanaLexDanabeta
Inventor

Robert Jason Egger

Inventor
San Diego, CA, US

Overview

5→
Patents
2017–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 5 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 transducers80%
LOC1420%
PatentTitleYear
10,764,672Over-ear headphone with hinge-free headband202010,631,098Planar magnetic loudspeaker airflow system2020D0855579Ear cup coupler for an over ear headphone201910,178,459Loudspeaker with acoustic impedance system20199,854,364Knurled speaker diaphragm2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2020Patents assigned to MrSpeakers LLC (5)· patent assignee history
2017–2020Based in San Diego, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MrSpeakers LLC52017–2020
Locations
LocationPatentsSpan
San Diego, California, US52017–2020