Patent Assignment Assignor Details
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For pending or abandoned applications please consult USPTO staff.
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Assignor Name :
PETRO, JOHN D.
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Total Assignments:
5
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Assignment:
1
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| Reel/Frame: | 004019/0547 | |
| Pages: | 1 |
| | Recorded: | 07/30/1982 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Pat #
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Pub #
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Intl #
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App #
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NONE
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06388723
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Correspondence name and address
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EUGENE F. BUELL
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BUELL, BLENKO, ZIESENHEIM & BECK
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301 FIFTH AVE.
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PITTSBURGH, PA 15222
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Assignment:
2
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| Reel/Frame: | 004062/0533 | |
| Pages: | 1 |
| | Recorded: | 11/19/1982 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| 1775 LOGAN AVE. |
| A CORP OF OH |
| YOUNGSTOWN, OHIO 44501 |
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Pat #
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App #
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NONE
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06428255
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Correspondence name and address
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BUELL, BLENKO & ZIESENHEIM
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301 5TH AVE.
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PITTSBURGH, PA 15222
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Assignment:
3
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| Reel/Frame: | 004358/0123 | |
| Pages: | 1 |
| | Recorded: | 01/28/1985 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| 1775 LOGAN AVENUE |
| AN OH CORP |
| YOUNGSTOWN, OHIO 44501 |
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Pat #
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Intl #
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NONE
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06691474
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Correspondence name and address
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BUELL, ZIESENHEIM & BECK & ALSTADT
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322 BLVD., OF THE ALLIES
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PITTSBURGH, PA 15222
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Assignment:
4
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| Reel/Frame: | 004551/0870 | |
| Pages: | 1 |
| | Recorded: | 04/16/1986 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| 1775 LOGAN AVENUE |
| YOUNGSTOWN, OHIO 44501 |
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Pat #
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Intl #
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NONE
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06843675
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Correspondence name and address
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BUELL, ZIESENHEIM, BECK & ALSTADT
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322 BLVD. OF THE ALLIES
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PITTSBURGH, PA 15222
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Assignment:
5
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| Reel/Frame: | 004733/0558 | |
| Pages: | 1 |
| | Recorded: | 06/29/1987 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Pat #
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Intl #
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App #
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NONE
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07050788
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Correspondence name and address
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BUELL, ZIESENHEIM, BECK AND ALSTADT
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STE. 500, 322 BOULEVARD OF THE ALLIES
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PITTSBURGH, PA 15222
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10/06/2025 01:34 PM
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