Item ID #
Birnberg Bow; Birnberg Bow II - Regular
Charles H. Birnberg; John L. Marco
Manufacturer and Distributor
American Caduceus Industries, N.Y.
U.S. No. 3,253,590
33mm (L) x 22mm (W)
Double-triangle bow design with the narrowed lower triangle implemented in 1962.
Physical rights to the device and the photograph of such are retained by Loma Linda University. Copyrights are observed in accordance with U. S. copyright and patent laws.
Intrauterine Contraception; Intrauterine Devices; Birnberg Bow; Bow IUDs