High contrast retroreflective sheeting and license plates
US-9937879-B2 · Apr 10, 2018 · US
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Smithson Robert L patents
Smithson Robert L is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Smithson Robert L |
| Total patents | 2 |
| First publication | Dec 10, 2015 |
| Latest publication | Apr 10, 2018 |
Notable patents
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High contracst retroreflective sheeting and license plates
US-2015353029-A1 · Dec 10, 2015 · US
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Major assignees
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| Assignee | Patents |
|---|---|
| 3M Innovative Properties Co | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.