A47B 2220/0025

Having telescoping guides with friction reducing pieces

Official title: having telescoping guides with friction reducing pieces, e.g. balls between inner and outer profiles

A47B2220/0025 (Having telescoping guides with friction reducing pieces) appears on 4 US grants and 5 published applications in this corpus.

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Granted patents
4
Published applications
5
Assignees
5
Inventors
9
Latest grant
22 Dec 2020

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