Number | Name | Date | Kind |
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5961072 | Bodle | Oct 1999 | |
6074074 | Marcus | Jun 2000 |
Entry |
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Brochure of GRADUS lighting. 2 sheets of drawings showing cinema aisle and step lighting. Publication date—Jun. 1, 1999. |
Brochure of GRADUS lighting. 3 sheets of drawings showing illuminated step edge legends. Publication date—May 1998. |