 
                 Portland, ME, US
 Portland, ME, US
                     Artel, Inc.
                                    Artel, Inc.
                                 Richard H. Curtis
                                    Richard H. Curtis
                                 G01 - MEASURING TESTING
                                    G01 - MEASURING TESTING
                                 Artel, Inc.
                                    Artel, Inc.
                                 Richard H.  Curtis
                                    Richard H.  Curtis
                                 G01 - MEASURING TESTING
                                    G01 - MEASURING TESTING
                                 Artel, Inc.
                                    Artel, Inc.
                                 David L. Bohnsack
                                    David L. Bohnsack
                                 G06 - COMPUTING CALCULATING COUNTING
                                    G06 - COMPUTING CALCULATING COUNTING
                                 Artel, Inc.
                                    Artel, Inc.
                                 Richard H.  Curtis
                                    Richard H.  Curtis
                                 B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
                                    B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
                                 Artel, Inc.
                                    Artel, Inc.
                                 Richard H.  Curtis
                                    Richard H.  Curtis
                                 B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
                                    B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL