David Hendrickson & Associates, Inc. is a full-service patent drawing company providing trademark, utility, and design drawings in all arts. For over 40 years, law firms large and small have turned to us to provide accurate drawings and reliable service. We also serve in-house IP departments for companies of all sizes, ranging from Fortune 500's to small start-ups. Utilizing state-of-the-art CAD drafting technology, our staff creates thousands of sheets of patent drawings every year. We pride ourselves on providing personal service for our clients.