FIG. 1 is a rear isometric view of a flange earplug of the invention.
FIG. 2 is a left side elevation view thereof.
FIG. 3 is a front view thereof; and,
FIG. 4 is a rear view thereof.
Patent Grant
D539415
FIG. 1 is a rear isometric view of a flange earplug of the invention.
FIG. 2 is a left side elevation view thereof.
FIG. 3 is a front view thereof; and,
FIG. 4 is a rear view thereof.
| Number | Name | Date | Kind |
|---|---|---|---|
| D195322 | Hill | May 1963 | S |
| D239416 | Visor | Mar 1976 | S |
| 4936411 | Leonard | Jun 1990 | A |
| 5819745 | Mobley et al. | Oct 1998 | A |
| D493219 | Falco | Jul 2004 | S |
| D521637 | Yang | May 2006 | S |
| 20040069310 | Falco | Apr 2004 | A1 |