Laryngoscope 1937 Patent Print, Laryngoscope Patent Poster, Medical Patent Blueprint, Surgeons Office Decor, Gift for Doctor, Gift for Anesthesiologist, Medical Wall Art Patent Prints, Medical Center Decor Laryngoscope was invented by W. N. Allyn. This patent was issued on Feb. 16, 1937, by the United States Patent and Trademark Office. Decorate your home, office, doctors office with this unique patent print. Display your favorite hobbies, interest, and inventions that changed the world and our