[ARTICLE] 5
<TABLE>
<S> <C> <C>
[PERIOD-TYPE] 9-MOS 9-MOS
[FISCAL-YEAR-END] MAR-31-1997 MAR-31-1996
[PERIOD-END] DEC-31-1996 DEC-31-1995
[CASH] 3,330,514 1,161,854
[SECURITIES] 0 0
[RECEIVABLES] 1,801,459 2,207,048
[ALLOWANCES] 63,644 72,605
[INVENTORY] 1,920,539 2,006,773
[CURRENT-ASSETS] 7,110,210 6,111,148
[PP&E] 2,501,052 2,473,348
[DEPRECIATION] 929,915 875,784
[TOTAL-ASSETS] 9,688,987 8,791,869
[CURRENT-LIABILITIES] 555,643 695,756
[BONDS] 0 0
[PREFERRED-MANDATORY] 0 0
[PREFERRED] 0 0
[COMMON] 3,300,036 3,450,141
[OTHER-SE] 5,775,173 4,587,837
[TOTAL-LIABILITY-AND-EQUITY] 9,688,987 8,791,869
[SALES] 5,754,358 5,668,666
[TOTAL-REVENUES] 5,754,358 5,668,666
[CGS] 2,227,944 2,218,516
[TOTAL-COSTS] 2,227,944 2,218,516
[OTHER-EXPENSES] 0 0
[LOSS-PROVISION] 0 0
[INTEREST-EXPENSE] 0 0
[INCOME-PRETAX] 1,797,336 1,746,132
[INCOME-TAX] 610,000 611,100
[INCOME-CONTINUING] 1,187,336 1,135,032
[DISCONTINUED] 0 0
[EXTRAORDINARY] 0 0
[CHANGES] 0 0
[NET-INCOME] 1,187,336 1,135,032
[EPS-PRIMARY] .26 .26
[EPS-DILUTED] .26 .26
</TABLE>
