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Stephan SCHAAF
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Oberstadtfeld, DE
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Patents Grants
last 30 patents
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Patent Grant
Talk station for intercom network
Patent number
11,019,218
Issue date
May 25, 2021
RIEDEL COMMUNICATIONS INTERNATIONAL GMBH
Stephan Schaaf
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speech station for intercom network
Patent number
10,498,871
Issue date
Dec 3, 2019
RIEDEL COMMUNICATIONS INTERNATIONAL GMBH
Stephan Schaaf
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
NETWORK COMMUNICATION SYSTEM
Publication number
20200045156
Publication date
Feb 6, 2020
Stephan SCHAAF
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SPEECH STATION FOR INTERCOM NETWORK
Publication number
20190166237
Publication date
May 30, 2019
Stephan SCHAAF
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
TALK STATION FOR INTERCOM NETWORK
Publication number
20190166256
Publication date
May 30, 2019
Stephan SCHAAF
H04 - ELECTRIC COMMUNICATION TECHNIQUE