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HEAT REACTIVE,LIGHT DESENSITIZING COMPOSITIONS
US 3,526,506 A
Filed
: 06/13/1966
Issued
: 09/01/1970
Est. Priority Date
: 06/13/1966
Status: Expired due to Term
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Current Assignee
Wesley R. Workman
Original Assignee
Wesley R. Workman
Inventors
Workman, Wesley R.
Application Number
US04/556,899
Time in Patent Office
1,541 Days
Field of Search
US Class Current
430/340
CPC Class Codes
B41M 5/30
using chemical colour forme...
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