Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001564590-21-035792-index.html | 2021-07-06 06:31:00 | |
| 0001564590-21-035792.txt | 2021-07-06 06:31:00 | |
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| pten-425.htm | 60361 | 2021-07-06 06:31:00 |
| pten-ex101_6.htm | 128015 | 2021-07-06 06:31:00 |
| pten-ex21_7.htm | 899018 | 2021-07-06 06:31:00 |
| pten-ex991_8.htm | 39061 | 2021-07-06 06:31:00 |