G09C 1/14

Involving removable or interchangeable coding numbers

Official title: involving removable or interchangeable coding numbers, e.g. master tapes, punched cards

G09C1/14 (Involving removable or interchangeable coding numbers) appears on 2 US grants and 2 published applications in this corpus.

Search patents in G09C
Granted patents
2
Published applications
2
Assignees
2
Inventors
6
Latest grant
30 May 2023