The drawings show both wire frame contour lines and surface shading lines. It is understood that all of the continuous solid lines in the drawings represent wire frame contour lines.
The drawings show both wire frame contour lines and surface shading lines. It is understood that all of the continuous solid lines in the drawings represent wire frame contour lines.
| Number | Name | Date | Kind |
|---|---|---|---|
| D96272 | Neill | Jul 1935 | S |
| D102543 | Butterfield | Dec 1936 | S |
| 4821670 | Foxcroft et al. | Apr 1989 | A |
| 5546887 | Cameron | Aug 1996 | A |
| 5816186 | Shepherd | Oct 1998 | A |
| D409939 | Sharp et al. | May 1999 | S |
| D410771 | Chang | Jun 1999 | S |
| D462917 | Hills et al. | Sep 2002 | S |
| D488085 | Cheng | Apr 2004 | S |
| D502421 | Cheng | Mar 2005 | S |