GE

George L. Engstrom

IH Ideal Security Hardward: 3 patents #3 of 10Top 30%
📍 Minneapolis, MN: #1,962 of 6,114 inventorsTop 35%
🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%
Overall (All Time): #1,677,287 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4588221 Segmented door opener Cardell E. Miller, Gene A. Tracy, John Thorson 1986-05-13
4570985 Locking apparatus for use with a panel slideable in a plane Russell W. Waldo, Cardell E. Miller, Louis D. Huot 1986-02-18
4332407 Automatically locking crossbolt deadlock Russell W. Waldo 1982-06-01