LaPlante, U.S. Patent No. 4,671,438, Jun. 9, 1987, p. 833, Official Gazette of the U.S. Patent and Trademark Office. |
Dowrick et al., U.S. Patent No. 4,577,786, Mar. 25, 1986, p. 1637, Official Gazette of the U.S. Patent and Trademark Office. |
Chan et al., U.S. Patent No. 5,127,563, Jul. 7, 1992, p. 172, Official Gazette of the U.S. Patent and Trademark Office. |
Lin, U.S. Patent No. 5,190,345, Mar. 2, 1993, p. 223, Official Gazette of the U.S. Patent and Trademark Office. |
Jackson, U.S. Patent No. 4,566,617, Jan. 28, 1986, p. 1448, Official Gazette of the U.S. Patent and Trademark Office. |
Jackson, U.S. Patent No. 4,174,795, Nov. 20, 1979, p. 621, Official Gazette of the U.S. Patent and Trademark Office. |
Melton, U.S. Patent No. 4,328,915, May 11, 1982, pp. 516-517, Official Gazette of the U.S. Patent and Trademark Office. |