RS

Robert W. Spencer

PQ Pq: 2 patents #27 of 111Top 25%
Overall (All Time): #2,328,447 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4804297 Method of underwater casting Richard H. Reifsnyder, Robert A. Brennan 1989-02-14
4230496 Zinc rich paint vehicle James S. Falcone, Jr. 1980-10-28