William Francis Obermark

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Sand Springs, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Work hardened welds and methods for same
- Patent number 11,666,980
- Issue date Jun 6, 2023
- WEBCO Industries, Inc.
- Yong Joo Kim
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Work hardened welds and methods for same
- Patent number 11,339,900
- Issue date May 24, 2022
- WEBCO Industries, Inc.
- Yong Joo Kim
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Work hardened welds and methods for same
- Patent number 11,014,181
- Issue date May 25, 2021
- WEBCO Industries, Inc.
- Yong Joo Kim
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
WORK HARDENED WELDS AND METHODS FOR SAME
- Publication number 20210293359
- Publication date Sep 23, 2021
- Webco Industries, Inc.
- Yong Joo Kim
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
WORK HARDENED WELDS AND METHODS FOR SAME
- Publication number 20200114454
- Publication date Apr 16, 2020
- Webco Industries, Inc.
- Yong Joo Kim
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR