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Vistron Corporation Patents
Assignee:
Vistron Corporation
Address:
Cleveland, OH
No. of patents:
3
Patents:












Patent Number Title Of Patent Date Issued
4024206 Stabilized brominated polyesters May 17, 1977
Unsaturated polyesters containing bromine in them are stabilized against coloring caused by exposure to ultraviolet light and clouding with age by including in them dimethyl methyl phosphonate.
3996330 Method of making a molded brush back December 7, 1976
A finished plastic-handled brush is prepared by a single molding step involving gateless molding of the brush back by a tunnel-gating and novel punch-pin finishing apparatus and process which eliminates the usual gate stud, and removing the finished brush back and securing tufts of brist
3936261 Apparatus for manufacturing brushes February 3, 1976
A finished plastic-handled brush is prepared by a single molding step involving gateless molding of the brush back by a tunnel-gating and novel punch-pin finishing apparatus and process which eliminates the usual gate stud, and removing the finished brush back and securing tufts of brist

 
 
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