MS

Mary E. Shaffer

GP Gte Products: 5 patents #149 of 928Top 20%
Overall (All Time): #1,061,488 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5057147 Method for preparation of WC-NI grade powder Edward R. Kimmel 1991-10-15
4664899 Method of producing monotungsten carbide powder Edward R. Kimmel, Thomas R. Pinkowski, Geoffrey L. Harris 1987-05-12
4478888 Process for producing refractory powder Mary L. Benjamin, Robert J. Dobbs 1984-10-23
4456484 Process for producing refractory powder Mary L. Benjamin, Robert J. Dobbs 1984-06-26
4397889 Process for producing refractory powder Mary L. Benjamin, Robert J. Dobbs 1983-08-09