RK

Richard Edmund Koval

PH Plow & Hearth: 2 patents #8 of 13Top 65%
PA Parker-Hannifin: 1 patents #643 of 1,656Top 40%
📍 Elkhorn, WI: #11 of 93 inventorsTop 15%
🗺 Wisconsin: #6,850 of 40,088 inventorsTop 20%
Overall (All Time): #720,032 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
D879502 Product holder Nancy Carol Gawlik 2020-03-31
10183382 Strap wrench 2019-01-22
D833771 Product container holder Nancy Carol Gawlik 2018-11-20
D829068 Strap wrench Nancy Carol Gawlik 2018-09-25
9808735 Lawn ornament having rotatable blades with solar-activated light-emitting devices Fei Qiu, Chengyong Tu 2017-11-07
9148996 Lawn ornament having rotatable decorative blades with solar-activated light-emitting devices Fei Qiu, Chengyong Tu 2015-10-06
4908132 Shock resistant receiver dehydrator Robert C. Aman, Jr., Walter O. Krause 1990-03-13