DC

David Chin

NV National Oilwell Varco: 2 patents #125 of 551Top 25%
WC W.R. Grace & Co.-Conn.: 1 patents #543 of 1,045Top 55%
📍 Cypress, TX: #213 of 1,064 inventorsTop 25%
🗺 Texas: #18,864 of 125,132 inventorsTop 20%
Overall (All Time): #628,191 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
D907161 Optics adapter 2021-01-05
D884820 Picatinny rail combined with M-lok rail 2020-05-19
D880644 Protective guard for optics 2020-04-07
D879235 Universal optics mount 2020-03-24
9388648 Drill pipe system and method for using same 2016-07-12
8678447 Drill pipe system 2014-03-25
7677328 Multiple flex-shaft adapter for electric drill 2010-03-16
5460648 Masonry admixture and method of preparing same Craig T. Walloch, Cynthia L. Ebner, Bahram Siadat, Chia-Chih Ou 1995-10-24