Celebrity Patent - Hedy Lamarr, an American film actor, patented a ""Secret Communications System" to help combat the Nazis in World War II Hedy Lamarr, an American film actor, patented a “Secret Communications System” to help combat the Nazis in World War II. Lamarr received the patent in…
This Day in Patent History - On November 28, 1916, Edward H Angle invented an Orthodontic appliance to force the teeth of the dental arch into proper alignment On November 28, 1916, Edward H Angle invented an Orthodontic appliance to force the teeth of the dental arch into proper alignment. This patent is…
