Affordable Patent AgencyAddress400 Washington Ave, St. Louis, MO 63102Phone(855) 444-1946Rating★ 4.6(11 reviews)HoursThursday: 8:30 AM to 4:30 AMSee all hoursWebsiteaffordablepatentagency.com/patent-services-in-st-louis-moSourceGoogle MapsAre you the business owner? Claim this listingCustomer ReviewsShare your experience.Leave a reviewView on Google Maps →