Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1974-05-08
1976-08-17
Drummond, Douglas J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
250317, 427152, 428341, 428474, 428484, 428500, 428914, 428918, B41M 526, B32B 702, B32B 3126, B41M 312
Patent
active
039755630
ABSTRACT:
Sheet materials are provided which are useful in preparing negative transparencies for use with overhead projectors. Methods for obtaining image transfer and preparation of transparencies are also provided.
REFERENCES:
patent: 2777781 (1957-01-01), Kordig et al.
patent: 2880110 (1959-03-01), Miller
patent: 3148617 (1964-09-01), Roshkind
patent: 3595683 (1971-07-01), Newman
Burman Darrell C.
Franer Victor R.
Bokan Thomas
Drummond Douglas J.
Minnesota Mining and Manufacturing Company
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