Gastles - Registered Patent Agents Share: Professional Services Gastles - Registered Patent Agents Visit Website 12 Bridge St. Suite 202 P.O. Box 430 Lakefield, ON K0L 2H0 (705) 652-7059 Rep Info Map Whom to Contact James Gastle Phone: (705) 652-7059 Send an Email What's Nearby? Distance: 5 10 15 20 25 50 km.