G - Physics – 02 – B
Patent
G - Physics
02
B
26/197, 88/3
G02B 5/128 (2006.01)
Patent
CA 1273512
33482CAN6A Abstract A sheet containing an integrated directional, photographic image. Each sheet may contain one or more such images. Also a method for forming such images in microlens sheetings comprising directing a highly collimated light through an interposed half-tone mask.
518149
Bradshaw Thomas I.
Orensteen Bruce D.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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