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Benjamin Ritchey
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Chicago, IL, US
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last 30 patents
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Patent Application
PRE-HARDENED STEEL COMPOSITION AND MACHINE PARTS MADE THEREWITH
Publication number
20230243026
Publication date
Aug 3, 2023
A. Finkl & Sons Co.
Benjamin W. Ritchey
C21 - METALLURGY OF IRON
Information
Patent Application
PRE-HARDENED STEEL COMPOSITION AND MACHINE PARTS MADE THEREWITH
Publication number
20220356551
Publication date
Nov 10, 2022
A. Finkl & Sons Co.
Benjamin W. Ritchey
C21 - METALLURGY OF IRON
Information
Patent Application
PRE-HARDENED STEEL COMPOSITION AND MACHINE PARTS MADE THEREWITH
Publication number
20220162730
Publication date
May 26, 2022
A. Finkl & Sons Co.
Benjamin W. Ritchey
C21 - METALLURGY OF IRON
Information
Patent Application
LOW PHOSPHORUS, ZIRCONIUM MICRO-ALLOYED, FRACTURE RESISTANT STEEL A...
Publication number
20200190641
Publication date
Jun 18, 2020
A. Finkl & Sons Co.
Algirdas Underys
C21 - METALLURGY OF IRON