
Radio 
Systems® 
Corporation 
10427 
Electric Avenue 
Knoxville, 
TN 
37932 
1-800-732-2677 
www. 
petsafe.net 
}400-1099/1 
Covered 
by 
US 
Patents 
7 
,046, 
152; 7 
,068, 
17 4; 
7,117,822; 
7,204,204; 7,278,376; 
7,495,570. 
Other 
patents 
pending. 
© 
2008 
Radio 
Systems® 
Corporation