The broken lines in the drawings depict portions of the bubble generator and form no part of the claim design.
The broken lines in the drawings depict portions of the bubble generator and form no part of the claim design.
Number | Name | Date | Kind |
---|---|---|---|
5498191 | DeMars | Mar 1996 | A |
D403367 | Lebensfeld | Dec 1998 | S |
D453197 | Hornsby | Jan 2002 | S |
D722117 | Chen | Feb 2015 | S |
D977015 | Cai | Jan 2023 | S |
D978251 | Zhang | Feb 2023 | S |
D978974 | Cai | Feb 2023 | S |