RR

Raymond R. Rydman

DO Dowbrands: 1 patents #3 of 10Top 30%
📍 Coleman, MI: #1 of 4 inventorsTop 25%
🗺 Michigan: #973 of 4,313 inventorsTop 25%
Overall (1994): #79,983 of 165,921Top 50%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5307552 Method of making a zipper for reclosable thermoplastic bag Brian C. Dais, Jose Porchia, John O. McCree, Bertha R. Vaughn 1994-05-03