Title:
Method for making and maintaining an impression of the shape of an object
Document Type and Number:
United States Patent 2472754

Inventors:
Mead, Warren J.
Publication Date:
06/07/1949
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Referenced by:
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Assignee:
Mead, Warren J.
Primary Class:
264/517
Other Classes:
206/524.800, 264/223, 264/DIG.050, 264/DIG.030, 53/474, 264/DIG.078, 264/313, 264/220, 33/515
International Classes:
A43B7/28; B29C33/38; A43B7/14
US Patent References:
1675517Matrix for making casts
2145941Method of and apparatus for making packages
2256036Matrix or mold apparatus and method of making same
2277288Method of sealing containers


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