Alan Edmund Derdzinski

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Belvidere, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Remote speaker microphone
- Patent number 9,386,368
- Issue date Jul 5, 2016
- OTTO ENGINEERING, INC.
- Scott Ray Johansen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker microphone
- Patent number D744458
- Issue date Dec 1, 2015
- OTTO ENGINEERING, INC.
- Alan Edmund Derdzinski
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Speaker microphone
- Patent number D743950
- Issue date Nov 24, 2015
- OTTO ENGINEERING, INC.
- Alan Edmund Derdzinski
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Speaker microphone
- Patent number D734304
- Issue date Jul 14, 2015
- OTTO ENGINEERING, INC.
- Alan Edmund Derdzinski
- D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents

Information Patent Application
HEADSET MOUNTS
- Publication number 20180249781
- Publication date Sep 6, 2018
- OTTO ENGINEERING, INC.
- Gregory Thomas Zawislak
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REMOTE SPEAKER MICROPHONE
- Publication number 20150163588
- Publication date Jun 11, 2015
- OTTO ENGINEERING, INC.
- Scott Ray Johansen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE