Patent search ap:("IBM") AND inv:"SNOW BRYCE ELIZABETH" Page 1

1.

发明授权
Summary card punch and collator 失效
Title translation: 概要卡打孔和整理机

公开(公告)号：US2603416A

公开(公告)日：1952-07-15

申请号：US11019649

申请日：1949-08-13

Applicant: IBM

Inventor： SNOW BRYCE ELIZABETH , NATIONAL NEWARK THE , OF NEWARK ESSEX BANKING COMPAN , DICKINSON ARTHUR H

2.

发明授权
Neon drum recording device 失效
Title translation: 霓虹鼓录音设备

公开(公告)号：US2606484A

公开(公告)日：1952-08-12

申请号：US11019549

申请日：1949-08-13

Applicant: IBM

Inventor： SNOW BRYCE ELIZABETH , NATIONAL NEWARK THE , OF NEWARK ESSEX BANKING COMPAN

IPC: G03B27/52

CPC classification number: G03B27/521

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