David L. Christensen

Follow

Person

Los Altos Hills, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Electroactive polymers for an electronic device
- Patent number 11,127,547
- Issue date Sep 21, 2021
- Apple Inc.
- Paul X. Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Stylus with external magnetic influence
- Patent number 10,437,359
- Issue date Oct 8, 2019
- APPLE INC.
- Paul X. Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Altering feedback at an electronic device based on environmental an...
- Patent number 10,296,093
- Issue date May 21, 2019
- Apple Inc.
- David L. Christensen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic device including piezoelectric material layer and temper...
- Patent number 9,965,930
- Issue date May 8, 2018
- Apple Inc.
- David L. Christensen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE