A47L 15/34

By lowering and lifting combined with a rotating movement

Official title: by lowering and lifting combined with a rotating movement

A47L15/34 (By lowering and lifting combined with a rotating movement) appears on 3 US grants and 6 published applications in this corpus.

Search patents in A47L
Granted patents
3
Published applications
6
Assignees
3
Inventors
9
Latest grant
24 Nov 2020