Retractable syringe with improved delivery efficiency and locking system
US-11241545-B2 · Feb 8, 2022 · US
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Dunn Christopher patents
Dunn Christopher is listed as an inventor on 3 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Dunn Christopher |
| Total patents | 3 |
| First publication | Oct 9, 2018 |
| Latest publication | Feb 8, 2022 |
Notable patents
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Recent patents
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Unl Holdings Llc | 3 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B32B37/142 | 3 |
| A61M5/322 | 3 |
| B32B37/18 | 3 |
| A61M5/50 | 3 |
| A61M5/3234 | 3 |