Authorities Cited: United States Patent and Trademark Office U.S. Patent No. 5,652,786 U.S. Patent No. 5,718,298 United States Code 35 U.S.C. § 271(a) Supreme Court 520 U.S. 17 Circuit Courts 501 F.2d 282, 291-292 720 F.2d 1565, 1568 972 F.2d 1272, 1274 6 F.3d 770, 773 126 F.3d 1420, 1425 213 F.3d 639 216 F.3d 1367, 1370 363 F.3d 1263, 1272 424 F.3d 1293, 1311-1312 442 F.3d 1322, 1326 442 F.3d 1331 448 F.3d 1324, 1331 493 F. Supp. 1376, 1389