EJ

Ernest Matthew Chavana, Jr.

RD Rug Doctor: 9 patents #1 of 6Top 20%
📍 Fenton, MO: #2 of 27 inventorsTop 8%
🗺 Missouri: #18 of 2,681 inventorsTop 1%
Overall (2020): #11,793 of 565,922Top 3%
9
Patents 2020

Issued Patents 2020

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
10743734 Surface cleaning apparatus Richard Foster, Stanley Anderson, Christopher Terpstra, Jan Valentic, Xintao Ma 2020-08-18
10674881 Liquid extraction apparatus and method Richard Foster, Stanley Anderson, Christopher Terpstra, Jan Valentic, Xintao Ma 2020-06-09
10610076 Liquid extraction apparatus Richard Foster, Stanley Anderson, Christopher Terpstra, Jan Valentic 2020-04-07
D875334 Surface cleaning system Richard Foster, Stanley Anderson, Christopher Terpstra, Jan Valentic, Xintao Ma 2020-02-11
D874767 Surface cleaning head Richard Foster, Stanley Anderson, Christopher Terpstra, Jan Valentic, Xintao Ma 2020-02-04
D874766 Surface cleaning head Richard Foster, Stanley Anderson, Christopher Terpstra, Jan Valentic, Xintao Ma 2020-02-04
D873625 Tank caddy Richard Foster, Stanley Anderson, Christopher Terpstra, Jan Valentic 2020-01-28
D873512 Surface cleaning system Richard Foster, Stanley Anderson, Christopher Terpstra, Jan Valentic, Xintao Ma 2020-01-21
D872399 Surface cleaning head Richard Foster, Stanley Anderson, Christopher Terpstra, Jan Valentic, Xintao Ma 2020-01-07