Patent Assignment Assignor Details
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For pending or abandoned applications please consult USPTO staff.
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Assignor Name :
CHAN, KENG S.
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Total Assignments:
5
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Assignment:
1
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| Reel/Frame: | 003974/0173 | |
| Pages: | 1 |
| | Recorded: | 01/28/1982 | | |
| 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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06343660
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Correspondence name and address
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HERBERT D. KNUDSEN
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C/0 STANDARD OIL CO.
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MIDLAND BLDG.
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CLEVELAND, OH 44115
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Assignment:
2
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| Reel/Frame: | 003899/0553 | |
| Pages: | 1 |
| | Recorded: | 07/06/1981 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| A CORP. OF OH |
| CLEVELAND, OHIO |
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Pat #
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NONE
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06280413
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Correspondence name and address
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HERBERT D. KNUDSEN
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C/O THE STANDARD OIL CO.
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MIDLAND BLDG.
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CLEVELAND, OH 44115
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Assignment:
3
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| Reel/Frame: | 004207/0287 | |
| Pages: | 2 |
| | Recorded: | 12/08/1983 | | |
| 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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06559524
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Correspondence name and address
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MAKY, RENNER, OTTO & BOISSELLE
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ATTN: NEIL A. DUCHEZ
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TWELFTH FLR., ONE PUBLIC SQUARE
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CLEVELAND, OH 44113
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Assignment:
4
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| Reel/Frame: | 005226/0802 | |
| Pages: | 2 |
| | Recorded: | 01/26/1990 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Pat #
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Intl #
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NONE
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07471200
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Correspondence name and address
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DOWELL SCHLUMBERGER INCORPORATED
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P. O. BOX 2710
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TULSA, OK 74101
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Assignment:
5
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| Reel/Frame: | 013844/0716 | |
| Pages: | 3 |
| | Recorded: | 03/11/2003 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 110 SCHLUMBERGER DRIVE |
| SUGAR LAND, TEXAS 77478 |
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Pat #
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Intl #
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App #
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10302075
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Correspondence name and address
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WELL STIMULATION
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STEPHEN SCHLATHER
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110 SCHLUMBERGER DRIVE, MD1
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IP DEPT.
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SUGAR LAND, TX 77478
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05/13/2024 06:19 AM
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