Back To Results

Improvements in or relating to circuits and devices for semi-conductor bodies

Keywords	Philips Gloeilampenfabrieken semiconductor devices manufacturing method patents
Ministry/ Department/ Residency	PATENTS AND DISGNS KOLKATA
Branch	Kolkata
From Year / Date (YYYY-MM-DD)	1952
To Year / Date (YYYY-MM-DD)	1952
Identifier	NAIBHF00007211
File No./Reference No./Sheet No./Folio No.	85292
Location	BBSR-R1
File Size	25.4 MB
Pages	15
Language	English
Bundle Barcode	NAIBHB00000292
File Barcode	NAIBHF00007211
QC Certificate No.	QC_20240702BH
Bundle No.	100

- The Patent Office. Patent Application. Improvement...
- Department: PATENTS AND DESIGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1962
- Improvements or relating to methods of manufacturi...
- Department: PATENTS AND DISGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1963
- Improvements in or relating to photo-sensitive sem...
- Department: PATENTS AND DESIGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1963
- Improvements in or relating to semi-conductor devi...
- Department: PATENTS AND DISGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1961
- Improvements in or Relating to Methods of Manufact...
- Department: PATENTS AND DISGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1963
- Patent Application Application for Patent: Improve...
- Department: PATENTS AND DESIGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1961
- Patent Application - Improvements in or relating t...
- Department: PATENTS AND DESIGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1961
- Patent Application Improvements in or relating to ...
- Department: PATENTS AND DESIGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1961
- Application for Patent: Improvements in or relatin...
- Department: PATENTS AND DESIGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1962
- 3 Views
- A method for the manufacture of a semi conductor d...
- Department: Ministry of Commerce & Industry
- Branch: PATENT
- Year / Date: 1988