Fred C. Lee

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San Francisco, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Device driver for contactless payments
- Patent number 12,002,040
- Issue date Jun 4, 2024
- Block, Inc.
- Christopher Rohlf
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Device driver for contactless payments
- Patent number 11,494,762
- Issue date Nov 8, 2022
- BLOCK, INC.
- Christopher Rohlf
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Centralized system for data retrieval
- Patent number 10,078,839
- Issue date Sep 18, 2018
- Square, Inc.
- Brian Mullins
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Beaded liquid product and method for reducing coefficient of friction
- Patent number 4,232,981
- Issue date Nov 11, 1980
- Bechtel International Corporation
- Fred C. Lee
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
DEVICE DRIVER FOR CONTACTLESS PAYMENTS
- Publication number 20230020873
- Publication date Jan 19, 2023
- Block, Inc.
- Christopher Rohlf
- G06 - COMPUTING CALCULATING COUNTING