B65H 2557/112
Using sound
Official title: using sound
B65H2557/112 (Using sound) appears on 2 US grants and 2 published applications in this corpus.
Search patents in B65H- Granted patents
- 2
- Published applications
- 2
- Assignees
- 2
- Inventors
- 3
- Latest grant
- 10 Aug 2021
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