<ARTICLE> 5 <MULTIPLIER> 1 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> MAR-31-1996 <CASH> 4,002,300 <SECURITIES> 0 <RECEIVABLES> 5,383,700 <ALLOWANCES> 0 <INVENTORY> 8,843,400 <CURRENT-ASSETS> 19,875,300 <PP&E> 10,432,500 <DEPRECIATION> 7,835,100 <TOTAL-ASSETS> 23,218,600 <CURRENT-LIABILITIES> 1,664,000 <BONDS> 0 <COMMON> 17,000,800 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 23,218,600 <SALES> 3,609,200 <TOTAL-REVENUES> 3,609,200 <CGS> 1,975,400 <TOTAL-COSTS> 3,280,700 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 369,200 <INCOME-TAX> 148,500 <INCOME-CONTINUING> 220,700 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 220,700 <EPS-PRIMARY> .04 <EPS-DILUTED> .04