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DE814486C Expired / Lapsed DE ⏱️ 0.0 years remaining

Semiconductor amplifier

Assignee: AT&T Inc
•
Filing: 1949-04-24
•
Granted: 1951-09-24
•
Expires: 1969-04-24
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Abstract

No abstract record available.

Inventors

  • 👤 Robert Lee Wallace Jr
  • 👤 Winston Edward Kock

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-09 07:37
CPC Classifications
H; H10; H10D; H10D64/00; H10D64/20; H10D48/00; H10D48/30; H10D48/32; H10D48/34; H10D48/345; H10D62/00; H10D62/01; H10D99/00; H10P; H10P95/00; H10P95/50; H10W; H10W72/00; H10W76/00; H10W76/60; H10W99/00

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