CHICAGO RIVET AND MACHINE CO <CVR> 4TH QTR NET Shr 21 cts vs 60 cts Net 156,576 vs 443,404 Sales 5,309,519 vs 5,381,264 Year Shr 1.06 dlrs vs 1.55 dlrs Net 788,220 vs 1,151,330 Sales 22.3 mln vs 23.6 mln