Inventor · disambiguated record
Fred B. Fletcher
Also filed as: FLETCHER FRED B
3 granted patents·12 citations·filing 2010–2014
62Inventor score
Technology areasC22C
Top patents by PatentIndex Score
3 records- 0191US8241442B2Method of making a hypereutectoid, head-hardened steel railBRAMFITT BRUCE L·Filed 2010·Granted Aug 14, 2012·11 cites·20 claims
- 0274US8721807B2Hypereutectoid, head-hardened steel railBRAMFITT BRUCE L·Filed 2012·Granted May 13, 2014·1 cites·20 claims
- 0368US9512501B2Hypereutectoid-head steel railARCELORMITTAL INVESTIG Y DESARROLLO S L·Filed 2014·Granted Dec 6, 2016·0 cites·24 claims
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