Show THE LATEST BOOK ON PATENTS the fourth edition of treatise on patents by oscar A geier has just come off the press the contents of this booklet emme rating the many changes made in the rules of practice in the united states patent office gives up to the minute information on inventions trade marks etc in a most complete and comprehensive way the procedure of application for patents with rules governing same is treated in a manner easily understandable copies of the booklet may be had for the asking ay by addressing zal your request to the firm of richards and geier patent attorneys madison ave new york city |