Inventor · disambiguated record

Douglas M. Pramstaller

Also filed as: PRAMSTALLER DOUGLAS M

3 granted patents·61 citations·filing 1989–1991

72Inventor score

Technology areasC21D

Files withAPPLIED PROCESS3

Top patents by PatentIndex Score

3 records

0188US5139579AMethod for preparing high silicon, low carbon austempered cast ironAPPLIED PROCESS·Filed 1991·Granted Aug 18, 1992·35 cites·5 claims
0274US5043028AHigh silicon, low carbon austemperable cast ironAPPLIED PROCESS·Filed 1990·Granted Aug 27, 1991·18 cites·9 claims
0355US5064478AMethod and apparatus for surface austempering of cast iron partsAPPLIED PROCESS·Filed 1989·Granted Nov 12, 1991·8 cites·24 claims

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