RD

Roy W. Downing

CS Codman & Shurtleff: 3 patents #34 of 187Top 20%
DL Durst (U.K.) Limited: 1 patents #3 of 4Top 75%
Overall (All Time): #1,066,182 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4456010 Cranial drill Harry G. Reimels, Daniel Cerundolo 1984-06-26
D271521 Pump handle for use with a biopsy specimen collector James P. Ryan 1983-11-22
4362161 Cranial drill Harry G. Reimels, Daniel Cerundolo 1982-12-07
4254763 Surgical retractor assembly James F. McCready, John R. Bookwalter, George W. Guay 1981-03-10
4197001 Photographic processing apparatus with variable sized tanks lined with bag-like plastic tank interiors John G. Long, Bernard P. E. Wolbarst 1980-04-08