DL

David Langerman

SR South Dakota Board Of Regents: 3 patents #17 of 155Top 15%
📍 Rapid City, SD: #28 of 295 inventorsTop 10%
🗺 South Dakota: #194 of 2,308 inventorsTop 9%
Overall (All Time): #618,348 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11568161 Reader apparatus for upconverting nanoparticle ink printed images Jon Kellar, William M. Cross, Jr., P. Stanley May, Julian Brackins, Jeevan Meruga +2 more 2023-01-31
10671823 Reader apparatus for upconverting nanoparticle ink printed images Jon Kellar, William M. Cross, Jr., P. Stanley May, Julian Brackins, Jeevan Meruga +2 more 2020-06-02
10387698 Reader apparatus for upconverting nanoparticle ink printed images Jon Kellar, William M. Cross, Jr., P. Stanley May, Julian Brackins, Jeevan Meruga +2 more 2019-08-20
5628795 Spare parts for use in ophthalmic surgical procedures 1997-05-13
5593436 Capsular bag implants with dual 360 ring structures for inhibiting posterior capsular opacification 1997-01-14
RE34998 """Spare parts"" for use in ophthalmic surgical procedures" 1995-07-18
5366501 Intraocular lens with dual 360 degree haptics 1994-11-22
4888016 """Spare parts"" for use in ophthalmic surgical procedures" 1989-12-19