A47C 23/145
With horizontal interlocking wound springs
Official title: with horizontal interlocking wound springs; Attachment thereof to the frame
A47C23/145 (With horizontal interlocking wound springs) appears on 1 US grants and 0 published applications in this corpus.
Search patents in A47C- Granted patents
- 1
- Published applications
- 0
- Assignees
- 1
- Inventors
- 2
- Latest grant
- 25 Jan 1977
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| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
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