Ralph R. Chen

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Bothell, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Protective housing for a mobile device
- Patent number 11,934,231
- Issue date Mar 19, 2024
- Hand Held Products, Inc.
- Blake Edmund Dunbar
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Grant
Protective housing for a mobile device
- Patent number 11,169,572
- Issue date Nov 9, 2021
- Hand Held Products, Inc.
- Blake Edmund Dunbar
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
PROTECTIVE HOUSING FOR A MOBILE DEVICE
- Publication number 20220035413
- Publication date Feb 3, 2022
- Hand Held Products, Inc.
- Blake Edmund DUNBAR
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PROTECTIVE HOUSING FOR A MOBILE DEVICE
- Publication number 20210041919
- Publication date Feb 11, 2021
- HAND HELD PRODUCTS, INC.
- Blake Edmund DUNBAR
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Programmable trigger handle for handheld devices
- Publication number 20080128499
- Publication date Jun 5, 2008
- Intermec IP Corp.
- Ralph R. Chen
- G06 - COMPUTING CALCULATING COUNTING