Chicago, Illinois
United States
3
2023-08-03
The entities that hold a legal rights for patent applications filed by inventor Ritchey Benjamin W.:
Benjamin W. Ritchey from Chicago, US has applied for patents for these inventions. The list has both pending applications and granted patents:
PRE-HARDENED STEEL COMPOSITION AND MACHINE PARTS MADE THEREWITH
#2 | 2022-11-10PRE-HARDENED STEEL COMPOSITION AND MACHINE PARTS MADE THEREWITH
#3 | 2022-05-26PRE-HARDENED STEEL COMPOSITION AND MACHINE PARTS MADE THEREWITH
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