RH

Richard F. Hollman

FS Federal Signal: 2 patents #162 of 717Top 25%
US Uvtech Systems: 2 patents #6 of 15Top 40%
📍 Chelmsford, MA: #224 of 858 inventorsTop 30%
🗺 Massachusetts: #23,459 of 88,656 inventorsTop 30%
Overall (All Time): #1,053,106 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5814156 Photoreactive surface cleaning David J. Elliott 1998-09-29
5669979 Photoreactive surface processing David J. Elliott, Francis M. Yans, Daniel K. Singer 1997-09-23
5559338 Deep ultraviolet optical imaging system for microlithography and/or microfabrication David J. Elliott, David Shafer 1996-09-24
5359388 Microlithographic projection system 1994-10-25
5070235 Accumulated exposure detection with exposure terminating attenuator 1991-12-03