Patent Assignment Assignor Details
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Assignor Name :
DOUGHTY, MR. DAVID T.
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Total Assignments:
2
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Assignment:
1
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Reel/Frame: | 016135/0236 | |
| Pages: | 6 |
| | Recorded: | 06/14/2005 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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500 CALGON CARBON DRIVE |
PITTSBURGH, PENNSYLVANIA 15205 |
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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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09630112
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Correspondence name and address
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COHEN & GRIGSBY, P.C.
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11 STANWIX STREET
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15TH FLOOR
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PITTSBURGH, PA 15222-1319
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Assignment:
2
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Reel/Frame: | 018160/0710 | |
| Pages: | 3 |
| | Recorded: | 08/24/2006 | | |
Attorney Dkt #: | 91-028 CONT (6528.0422) |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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500 CALGON CARBON DRIVE |
PITTSBURGH, PENNSYLVANIA 15205 |
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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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08097423
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Correspondence name and address
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COHEN & GRIGSBY, P.C.
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11 STANWIX STREET
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15TH FLOOR
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PITTSBURGH, PA 15222-1319
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06/05/2024 02:50 PM
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