US 2,500,013 A

GPTKB entity

Properties (11)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method and apparatus for controlling the operation of a machine using a feedback system.
gptkbp:applicationNumber gptkb:US_2,500,013
gptkbp:assignee gptkb:The_United_States_of_America
gptkbp:citedBy US_3,000,000_A
gptkbp:fieldOfInvention control systems
https://www.w3.org/2000/01/rdf-schema#label US 2,500,013 A
gptkbp:inventor gptkb:William_H._McCulloch
gptkbp:issuedOn September 15, 1949
gptkbp:priorityDate March 15, 1948
gptkbp:title Method of and apparatus for controlling the operation of a machine