LEAHY, WILLIAM H.
How to protect business ideas; a study of trade-marks, patents, copyrights, labels, and kindred properties. Foreword by Isaac W. Digges.
LEAHY, WILLIAM H. How to protect business ideas; a study of trade-marks, patents, copyrights, labels, and kindred properties. Foreword by Isaac W. Digges. © 5Mar36; A93073. William H. Leahy (A); 22Jul63; R319456.
William H. Leahy|A