×

Emergency alert signal

  • US D579,811 S1
  • Filed: 03/31/2008
  • Issued: 11/04/2008
  • Est. Priority Date: 03/31/2008
  • Status: Active Grant
First Claim
Patent Images

1. The ornamental design for a emergency alert signal, as shown.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×