(ABANDONED) IC 004. US 001 006 015. G & S: Fuels for use as a fuel cell element
(ABANDONED) IC 006. US 002 012 013 014 023 025 050. G & S: Crucible materials for melting or refining metal or silicon, namely, crucibles of common metal and their alloys
(ABANDONED) IC 007. US 013 019 021 023 031 034 035. G & S: Electric parts, namely, motor brushes
(ABANDONED) IC 009. US 021 023 026 036 038. G & S: Graphite electrodes for refinement or machining such as graphite electrodes for steel making or graphite electrodes for electric discharge machining; fuel cells; laboratory equipment, namely, crucibles for melting or refining metal or silicon
(ABANDONED) IC 011. US 013 021 023 031 034. G & S: Heating elements used for sintering ceramics, refinement or heat treatment of semiconductor parts; heat exchangers for chemical plants for which chemical resistance is required; metal reclaimer, namely, a foundry crucible for reclaiming metal from dross during processing
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