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Inventor

Gerhard Ach-Kowalewski

Inventor
Effeltrich, DE

Overview

4→
Patents
2000–2008
Patent span
Electricity
Primary field (CPC H)

Patents· 4 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
7,372,972'Ear insert for hearing aids'20087,372,970'Pocket hearing aid'20087,013,014'Hearing device system with behind-the-ear hearing aid devices fashioned side-specific'20066,044,164'Hearing aid permitting simultaneous programming and adjustment with a single plug'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2008Patents assigned to SIEMENS AUDIOLOGISCHE TECHNIK (4)· patent assignee history
2000Based in Effeltich, DE· patent location history
2006–2008Based in Effeltrich, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SIEMENS AUDIOLOGISCHE TECHNIK42000–2008
Locations
LocationPatentsSpan
Effeltrich, DE32006–2008
Effeltich, DE12000