Ronald W. Roberts JR.

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Cambridge, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Headphone ear cushion attachment mechanism
- Patent number D991214
- Issue date Jul 4, 2023
- Sonos, Inc.
- Ronald W. Roberts
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Headphone ear cushion attachment mechanism and methods for using
- Patent number 11,533,564
- Issue date Dec 20, 2022
- Sonos, Inc.
- Ronald W. Roberts
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Headphone Ear Cushion Attachment Mechanism and Methods for Using
- Publication number 20220116708
- Publication date Apr 14, 2022
- Sonos, Inc.
- Ronald W. Roberts
- H04 - ELECTRIC COMMUNICATION TECHNIQUE