<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
UNAUDITED INTERIM FINANCIAL AS OF AND FOR THE THREE MONTH PERIOD ENDED AUGUST
31, 1998.
</LEGEND>
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                             JUN-01-1998
<PERIOD-END>                               AUG-31-1998
<CASH>                                         585,389
<SECURITIES>                                         0
<RECEIVABLES>                                  209,108
<ALLOWANCES>                                         0
<INVENTORY>                                    389,205
<CURRENT-ASSETS>                             1,198,692
<PP&E>                                         677,508
<DEPRECIATION>                                 662,122
<TOTAL-ASSETS>                               1,269,875
<CURRENT-LIABILITIES>                          191,882
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                     2,383,385
<OTHER-SE>                                 (1,305,392)
<TOTAL-LIABILITY-AND-EQUITY>                 1,269,875
<SALES>                                        325,421
<TOTAL-REVENUES>                               330,384
<CGS>                                          188,298
<TOTAL-COSTS>                                  369,810
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                               (39,426)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                           (39,426)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (39,426)
<EPS-PRIMARY>                                      .03
<EPS-DILUTED>                                      .03