Self-contained breathing apparatus equipment
US-2017072231-A1 · Mar 16, 2017 · US
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Bell David patents
Bell David is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Bell David |
| Total patents | 2 |
| First publication | Feb 14, 2017 |
| Latest publication | Mar 16, 2017 |
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