Records of lapsed or expired patents
- Reference No:
- C DBSP/1/4/1/4
- Dates:
- 11 Apr 1932-27 Mar 1950
- Description:
- Typed records of patents which had expired as of 1 Jan 1953. Includes foreign patents.
- Format:
- Archive Item
- Extent:
- 1 file
- Access Conditions:
- Access will be granted to any accredited reader
- Repository:
- Hull City Archives
- Collection:
- Records relating to Priestman Brothers Ltd