AT

Arthur J. Treff

RE Raymond Engineering: 2 patents #9 of 30Top 30%
Overall (All Time): #2,326,653 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4965686 Disc drive assembly for magnetic disc memory unit Paul R. Young, David W. Richard, Christopher Staehly 1990-10-23
4832283 Tape transport cartridge Donald R. Spaman 1989-05-23