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(1 - 2 of 2)
Title
Elevator Control System
Creator
Schwarz, Ernst L.
Date
1942-03-31
Description
Sponsorship: Armour Research Foundation
United States Patent
Title
Motor Control
Creator
Schwarz, Ernst L.
Date
1945-07-10
Description
Sponsorship: Armour Research Foundation
United States Patent
Query
(-)
dc.creator:"Schwarz, Ernst L."
