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1971-09-16 |
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Donn Prod Inc |
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1972-01-27 |
1977-08-23 |
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Modular ceiling system
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1974-01-04 |
1975-08-12 |
Lightolier Inc |
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1974-05-07 |
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1975-05-15 |
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1976-04-02 |
1977-07-12 |
United States Gypsum Company |
Ceiling system
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1977-02-25 |
1979-02-13 |
Gerard E. Mulvey |
Coffered ceiling system
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1978-03-16 |
1980-06-25 |
Fruehauf Corp |
Meat rail hangers
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Nemaco Trading Ltd |
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1980-06-27 |
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Someta |
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1980-10-08 |
1984-03-15 |
Gema Bauelemente AG, 9015 St. Gallen |
Grid ceiling
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1981-05-28 |
1984-05-15 |
Donn Incorporated |
Grid ceiling structure and method of converting
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1986-07-17 |
Klima und Kälte GmbH Beratung und Vertrieb für Klima- und Kältetechnik, 6300 Gießen |
Grid ceiling, in particular clean-room grid ceiling
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1985-01-05 |
1985-10-31 |
Klima Und Kaelte Gmbh Beratung Und Vertrieb Fuer Klima- Und Kaeltetechnik, 6300 |
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1988-09-19 |
Flaekt Ab |
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1988-09-13 |
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1987-01-08 |
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1987-01-30 |
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Luwa Ag |
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1987-03-27 |
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1987-08-18 |
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1988-01-06 |
1992-11-20 |
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1988-01-15 |
1989-07-21 |
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1988-01-27 |
1989-08-10 |
Albrecht Ritter |
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1988-09-09 |
1990-04-02 |
Graham Bennett |
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1991-01-31 |
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1990-06-13 |
1995-01-04 |
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1990-09-19 |
1992-05-26 |
Herman Miller, Inc. |
Power panel structure
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1990-09-23 |
1996-05-30 |
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1994-02-22 |
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1993-05-28 |
1994-12-07 |
CLESTRA CLEANROOM, Société Anonyme |
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Indoor heating device
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