Services
High quality. Reasonable rates. Satisfaction guaranteed.
Design Drawings
With the ever-increasing demand for design patent applications, our clients have been served well by our superior illustration techniques.
Utility Drawings
We combine our drawing skills with broad technical expertise in the preparation of utility drawings.
Trademark Drawings
We can generate these from scratch or rework an electronic or hard copy original from the client.
Mechanical Drawings
We can create electronic files from shop drawings, blueprints or sketches. Or even from prototypes.
About Us
Over 52,000 sets of patent drawings since 1976...we draw on our experience! ™
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.