33

If you responded to O'Brien, you would receive a letter thanking you for your inquiry

and a large 48 page booklet. The booklet goes in to the steps for obtaining a patent. The

booklet includes cost, preparations, patent protection information, and information

about the three major types of patents: Mechanical Patents, Design Patents, and Patents

for Compositions and Compounds. It also details a number of success stories as well as

drawings - including corkscrews! The

―

Patent Guide for the Inventor

‖

shown here is a

1936 edition from Clarence O'Brien and his attorney associate Hyman Berman. Harvey

Jacobson appears on the cover of 1940s editions of the booklet. The first booklet was

copyrighted in 1934 and only O'Brien's name appears on the cover.

Corkscrew drawings shown in the booklet.