Patent Assignment Abstract of Title
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For pending or abandoned applications please consult USPTO staff.
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Total Assignments:
9
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Patent #:
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Issue Dt:
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03/29/1988
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Application #:
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06826205
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Filing Dt:
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02/05/1986
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Inventors:
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DAVID B. ZIEGLER, SPENCER B. LARSON, CHARLES B. JOHNSON
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Title:
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METHOD AND APPARATUS FOR CONTROLLING THE CONCENTRATION OF A CHEMICAL SOLUTION
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| OSBORN BUILDING |
| A CORP OF DELAWARE |
| ST. PAUL, MINNESOTA 55102 |
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| MERCHANT, GOULD, SMITH, EDELL, |
| WELTER & SCHMIDT, P.A. |
| 1000 NORWEST CENTER, |
| ST. PAUL MN., 55101 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| OSBORN BUILDING |
| ST. PAL, MINNESOTA 55102 |
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| MERCHANT, GOULD, SMITH, EDELL, |
| WELTER & SCHMIDT |
| 1600 MIDWEST PLAZA |
| MINNEAPOLIS, MN 55402 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| OSBORN BUILDING |
| ST. PAL, MINNESOTA 55102 |
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| MERCHANT, GOULD, SMITH, EDELL, |
| WELTER & SCHMIDT |
| 1600 MIDWEST PLAZA |
| MINNEAPOLIS, MN 55402 |
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Assignment:
4
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| OSBORN BUILDING |
| ST. PAUL, MINNESOTA 55102 |
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| MERCHANT, GOULD, SMITH, EDELL, |
| WELTER & SCHMIDT |
| 1600 MIDWEST PLAZA |
| MINNEAPOLIS, MN 55402 |
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Assignment:
5
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| OSBORN BUILDING |
| ST. PAUL, MINNESOTA 55102 |
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| MERCHANT, GOULD, SMITH, EDELL, |
| WELTER & SCHMIDT |
| 1600 MIDWEST PLAZA |
| MINNEAPOLIS, MN 55402 |
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Assignment:
6
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| OSBORN BUILDING |
| ST. PAUL, MINNESOTA 55102 |
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| MERCHANT, GOULD, SMITH, EDELL, |
| WELTER & SCHMIDT |
| 1600 MIDWEST PLAZA |
| MINNEAPOLIS, MN 55402 |
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Assignment:
7
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| OSBORN BUILDING |
| ST. PAUL, MINNESOTA 55102 |
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| MERCHANT, GOULD, SMITH, EDELL, |
| WELTER & SCHMIDT |
| 1600 MIDWEST PLAZA |
| MINNEAPOLIS, MN 55402 |
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Assignment:
8
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE DATE: NOVEMBER 24, 1986
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| MERCHANT, GOULD, SMITH, EDELL, WELTER |
| & SCHMIDT, ATTN: MARK DI PIETRO |
| 1000 NORWEST CENTER |
| ST. PAUL, MN 55101 |
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Assignment:
9
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 370 N. WABASHA STREET |
| ST. PAUL, MINNESOTA 55102 |
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| MERCHANT & GOULD |
| PO BOX 2903 |
| MINNEAPOLIS, MN 55402 |
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