Hybrid fiber compositions and uses in containerboard packaging
US-9816233-B2 · Nov 14, 2017 · US
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Zelenak Robert J patents in 2017
Zelenak Robert J was listed as an assignee on 1 patent publication in 2017.
| Metric | Value |
|---|---|
| Company | Zelenak Robert J |
| Year | 2017 |
| Patents | 1 |
Patents
Representative publications for Zelenak Robert J in 2017.
Top CPC classifications
Most common classification codes for Zelenak Robert J in 2017.
| CPC | Patents |
|---|---|
| B65D65/38 | 1 |
| B65D65/466 | 1 |
| D21H11/12 | 1 |
| D21H13/32 | 1 |
| D21H17/28 | 1 |
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