Keystone Plastics Inc.

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
A46B BRUSHES 327
 
 
 
A46D MANUFACTURE OF BRUSHES113
 
 
 
E01H STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; CLEANING LAND; DISPERSING FOG IN GENERAL 119

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8708423 Customizable modular brush system and method thereofJul 25, 13Apr 29, 14[A46B]
8495786 Customizable modular brush system and method thereofApr 27, 10Jul 30, 13[A46B]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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