A - Human Necessities – 44 – C
Patent
A - Human Necessities
44
C
A44C 27/00 (2006.01) B22C 9/04 (2006.01) A44C 9/00 (2006.01)
Patent
CA 2529454
This invention relates to a method for the production of master patterns for the jewelry industry, producing the required molds for the duplication of the form and details of the master patterns in a very thin vacuum formed thermoplastic sheeting that are then cast in metal using the well documented 'lost wax process'.
Newton Ernest John
Newton Nancy Blyth
Na
Newton Ernest John
Newton Nancy Blyth
LandOfFree
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