DS

David W. Simms

SW Sangamo Weston: 3 patents #15 of 91Top 20%
AM Amoco: 1 patents #610 of 1,251Top 50%
📍 Chelmsford, OK: #1 of 1 inventorsTop 100%
Overall (All Time): #1,296,539 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5225082 Hydrocyclone with finely tapered tail section Grant A. Young, Davis L. Taggart, David Hild, J. Robert Worrell 1993-07-06
4593959 Digital signature plug 1986-06-10
4464626 Mounting structure for dial and pointer electrical instruments David E. Thomas, David M. Jeffrey 1984-08-07
4444063 Torque measuring systems David C. Snowden, Joseph J. Osborne, David E. Thomas 1984-04-24