WH

William J. Hannan

I- I-Tek: 2 patents #16 of 85Top 20%
II Ionics, Incorporated: 1 patents #47 of 71Top 70%
RC Rca: 1 patents #895 of 1,739Top 55%
📍 Concord, MA: #275 of 720 inventorsTop 40%
🗺 Massachusetts: #27,608 of 88,656 inventorsTop 35%
Overall (All Time): #1,270,651 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6645385 System and method for removal of fluoride from wastewater using single fluoride sensing electrode Gerald A. Krulik, Gennadiy Sverdlov 2003-11-11
4506303 Optical data recorder system 1985-03-19
4404594 Imaging system with enlarged depth of field 1983-09-13
4221465 Patching tape for diffractive subtractive filter viewgraphs Harry J. Woll 1980-09-09