RS

Richard W. Ryai, Sr.

HC Hy-Ko Products Company: 2 patents #1 of 6Top 20%
📍 North Royalton, OH: #3 of 28 inventorsTop 15%
🗺 Ohio: #967 of 6,556 inventorsTop 15%
Overall (2016): #105,222 of 481,213Top 25%
2
Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9415451 Key cutting machine 2016-08-16
9308590 Key duplication machine Michael A. Bass, William R. Mutch, Chester O. D. Thompson, Robert E. Drake, Randall A. Porras 2016-04-12