US 2,890,177 A

GPTKB entity

Statements (15)
Predicate Object
gptkbp:instanceOf patent
gptkbp:applicationNumber gptkb:US_2,890,177
gptkbp:assignee gptkb:The_United_States_of_America
gptkbp:citedBy US_3,000,000_A
US_4,000,000_A
US_5,000,000_A
US_3,500,000_A
US_6,000,000_A
gptkbp:fieldOfInvention Electrical Engineering
https://www.w3.org/2000/01/rdf-schema#label US 2,890,177 A
gptkbp:inventor gptkb:William_H._McCulloch
gptkbp:issuedOn June 16, 1959
gptkbp:priorityDate April 15, 1957
gptkbp:status Expired
gptkbp:title Electrical_Circuit