The interlockable board varies in length within the dash-dot-dash break lines illustrated in the figures.
The interlockable board varies in length within the dash-dot-dash break lines illustrated in the figures.
| Number | Name | Date | Kind |
|---|---|---|---|
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| D406360 | Finkell, Jr. | Mar 1999 | S |
| 6519912 | Eckmann et al. | Feb 2003 | B1 |
| 9682492 | Schaffter | Jun 2017 | B1 |
| D876673 | Chang | Feb 2020 | S |
| 20110167750 | Pervan | Jul 2011 | A1 |
| 20130042556 | Armijo | Feb 2013 | A1 |
| 20130047536 | Pervan | Feb 2013 | A1 |