DR

Donald A. Rosenwinkel

MA Marvin Glass & Associates: 2 patents #11 of 34Top 35%
LD Leisure Dynamics: 1 patents #2 of 3Top 70%
📍 Oak Park, IL: #2 of 21 inventorsTop 10%
🗺 Illinois: #80 of 2,749 inventorsTop 3%
Overall (1982): #5,286 of 81,411Top 7%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D267334 Novelty eye glasses Peter D. Pook 1982-12-21
4337948 Game apparatus Jeffrey D. Breslow, Steven P. Hanson, Rex M. Harper 1982-07-06
4324063 Toy motor vehicle Harry Disko 1982-04-13