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Inventor

Petrus Egbertus Henricus Hermsen

Inventor
Hoofddorp, NL

Overview

3→
Patents
2020–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 3 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 transducers100%
PatentTitleYear
10,945,084Personal hearing device202110,869,119Sound channel element with a valve and a transducer with the sound channel element202010,805,746Valve, a transducer comprising a valve, a hearing device and a method2020

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2020–2021Patents assigned to SONION NEDERLAND BV (3)· patent assignee history
2020–2021Based in Hoofddorp, NL· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONION NEDERLAND BV32020–2021
Locations
LocationPatentsSpan
Hoofddorp, NL32020–2021