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Keywords	R. Hall REMFRY & SON British Telecommunications Patent Transistor Circuit
Ministry/ Department/ Residency	PATENTS AND DISGNS KOLKATA
Branch	Kolkata
From Year / Date (YYYY-MM-DD)	1961
To Year / Date (YYYY-MM-DD)	1961
Source Organization	NA
Identifier	NAIBHF00002620
File No./Reference No./Sheet No./Folio No.	75176
Location	BBSR-R1
Part No.	NA
File Size	32.2 MB
Pages	19
Call Number	NA
Publisher	NA
Subject	NA
Creator	NA
Accession Number	NA
Series	NA
Year of Publication	NA
Language	English
Bundle Barcode	NAIBHB00000196
Location Code	NA
File Barcode	NAIBHF00002620
QC Certificate No.	QC_20240721BH
Bundle No.	4

4 views

- 8 Views
- Patent Office A simple, short circuit protected, u...
- Department: PATENTS AND DESIGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1963
- 4 Views
- Patent Application Proceed and apparatus for the p...
- Department: PATENTS AND DESIGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1961
- 7 Views
- Improvements in or relating to direct voltage stab...
- Department: PATENTS AND DISGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1961
- 6 Views
- Patent Application
- Department: PATENTS AND DISGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1961
- 8 Views
- Patent Application for 'Lock Out Circuit for Autom...
- Department: PATENTS AND DISGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1961
- 3 Views
- Patent Application - Control Circuits with Diodes
- Department: PATENTS AND DISGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1951
- 4 Views
- Patent Application - Trigger Circuits
- Department: PATENTS AND DESIGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1962
- 4 Views
- Patent Application for Switching Circuit
- Department: PATENTS AND DISGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1961
- 4 Views
- Patent Application - Impulse Generators for Track ...
- Department: PATENTS AND DISGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1961
- 3 Views
- Patent Application for Improvements in or Relating...
- Department: PATENTS AND DISGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1961