James Cheng

Follow

Person

San Diego, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Printing pads and print pad machines
- Patent number 11,904,597
- Issue date Feb 20, 2024
- PRINTEX INC.
- James Cheng
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printing pads and print pad machines
- Patent number 11,701,877
- Issue date Jul 18, 2023
- PRINTEX INC.
- James Cheng
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printing pads and print pad machines
- Patent number 11,485,130
- Issue date Nov 1, 2022
- PRINTEX INC.
- James Cheng
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Magnetic attachment for filtering oil
- Patent number 5,571,411
- Issue date Nov 5, 1996
- Norman P. Butler
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
PRINTING PADS AND PRINT PAD MACHINES
- Publication number 20230302783
- Publication date Sep 28, 2023
- Printex Inc.
- James Cheng
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PRINTING PADS AND PRINT PAD MACHINES
- Publication number 20230011727
- Publication date Jan 12, 2023
- Printex Inc.
- James Cheng
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PRINTING PADS AND PRINT PAD MACHINES
- Publication number 20210362488
- Publication date Nov 25, 2021
- Printex Inc.
- James Cheng
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS