Christopher WISNIEWSKI

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Staten Island, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Coined drawbars for drawbar assemblies
- Patent number 11,473,639
- Issue date Oct 18, 2022
- Lee Spring Company LLC
- Albert G. Mangels
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
Coined Drawbars for Drawbar Assemblies
- Publication number 20210324931
- Publication date Oct 21, 2021
- THE UNIMAX CORPORATION
- Albert G. MANGELS
- E04 - BUILDING