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Douglas E. Logan — 1 Patent in 2020

OEOtis Elevator: 1 patents #99 of 278Top 40%

Middletown, CT: #32 of 87 inventorsTop 40%

Connecticut: #1,713 of 4,387 inventorsTop 40%

Overall (2020): #487,445 of 565,922Top 90%

1 Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
10850944	Elevator system suspension member termination	Richard N. Fargo, Mark R. Gurvich, Richard J. Ericson, John P. Wesson, David Wayne Mckee +1 more	2020-12-01