| C-2358 TECHREF, Inc.
76071117 16 Jun 2000 | on 02 Feb 2023
| Disposable sample cells for use in dispersive and non-dispersive, x-ra... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Disposable sample cells for use in dispersive and non-dispersive, x-ray fluorescence analyzers | | | TECHREF TECHREF, Inc.
76071118 16 Jun 2000 | on 10 Jun 2021
| Disposable sample cells for use in dispersive and non-dispersive, x-ra... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Disposable sample cells for use in dispersive and non-dispersive, x-ray fluorescence analyzers | | | C-1400 TECHREF, Inc
76078282 26 Jun 2000 | on 01 Jul 2002 | Disposable sample cells for use in dispersive and non-dispersive, x-ra... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Disposable sample cells for use in dispersive and non-dispersive, x-ray fluorescence analyzers | |