Prime-Line Steel Mortise Patio Door Lock with Mounting Bracket - S.W. Collins
Sliding Door Handle Set, 3-15/16 in., Diecast and Wood, Hook Style, Internal Lock, 1 Set - Walmart.com
Amazon.com: STB Sliding Glass Patio Door Lock, Mortise Type, 2-Point, 7-51/64" Screw Holes | Multi Point Square Drive Mortise Latch, Diecast Latch, Aluminum Round Faceplate : Everything Else
LOCKiT! White Stainless Steel Sliding Patio Door Double Bolt Lock in the Sliding Patio Door Locks department at Lowes.com
Duel Point Sliding Door Lock | Patio Doors | Surface Mount
The Patio Door Guardian | Childproof Sliding Doors | Cardinal Gates
RELIABILT 28-in to 48-in Adjustable Aluminum Sliding Patio Door Security Bar in the Sliding Patio Door Security Bars department at Lowes.com
Prime-Line U 11037 Patio Door Deadbolt Lock, 8 In. Overall Height, Steel Bar, Surface (1 Kit), White/Black - Amazon.com
Amazon.com: Sliding Patio Door Handle Set with Key Cylinder and Mortise Lock, Full Replacement Fits Door Thickness from 1-1/2" to 1-3/4",3-15/16” Screw Hole Spacing, Reversible Design(Non-Handed) : Everything Else
Amazon.com: Yale Assure Lock for Andersen Patio Doors, Z-Wave Plus, White
Prime-Line Diecast with Wood Handle, Gray, Patio Door Handle, Tee Lock, Keyed C 1064 - The Home Depot