Patents Assigned to Security Data Networks, Inc.
  • Wireless receiver
    Patent number: D428876
    Type: Grant
    Filed: January 5, 1999
    Date of Patent: August 1, 2000
    Assignee: Security Data Networks, Inc.
    Inventor: Martin A. Renkis
  • Wireless camera
    Patent number: D429269
    Type: Grant
    Filed: October 8, 1999
    Date of Patent: August 8, 2000
    Assignee: Security Data Networks, Inc.
    Inventor: Martin A. Renkis
  • Wireless camera
    Patent number: D429743
    Type: Grant
    Filed: January 5, 1999
    Date of Patent: August 22, 2000
    Assignee: Security Data Networks, Inc.
    Inventor: Martin A. Renkis