CR

Calvin R. Rushford

IL Indal Limited: 1 patents #3 of 3Top 100%
📍 Reed City, MI: #12 of 23 inventorsTop 55%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,340,647 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4688350 Collapsible revolving door Marwan E. Hattem 1987-08-25
4640046 Revolving door collapsing mechanism — 1987-02-03