Hemphill; Raymond M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hemphill; Raymond M..The latest application filed is for "age hardenable alloy with a unique combination of very high strength and good toughness".
- Hemphill; Raymond M. - Wyomissing PA
| Patent | Date |
|---|---|
| Age hardenable alloy with a unique combination of very high strength and good toughness Grant 5,866,066 - Hemphill , et al. February 2, 1 | 1999-02-02 |
| High strength, high fracture toughness alloy Grant 5,268,044 - Hemphill , et al. December 7, 1 | 1993-12-07 |
| High strength, high fracture toughness structural alloy Grant 5,087,415 - Hemphill , et al. February 11, 1 | 1992-02-11 |
| Case hardenable corrosion resistant steel alloy and article made therefrom Grant 5,002,729 - Wert , et al. March 26, 1 | 1991-03-26 |
| Hot work tool steel with good temper resistance Grant 4,886,640 - Garner, Jr. , et al. * December 12, 1 | 1989-12-12 |
| Low cobalt-containing maraging steel with improved toughness Grant 4,832,909 - Schmidt , et al. May 23, 1 | 1989-05-23 |
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