John Eschenbrenner — 2 Patents at Otis Elevator

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
10737908	Method and kit for retrofitting elevator machines with thrust bearing, and retrofitted elevator machine	Daniel B. Davis, III, Robert K. Williams, Gregory M. O'Seep, James L. Hubbard, Martin J. Hardesty +5 more	2020-08-11
10618775	Retrofitting an elevator machine with primary and secondary braking	Daniel B. Davis, III, Robert K. Williams, Gregory M. O'Seep, James L. Hubbard, Martin J. Hardesty +5 more	2020-04-14