what is meant by these symbols TM in a circle and R in a circle which appear with distillation tray types .?

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2006-10-07 13:20:06 · 3 answers · asked by nusa 1 in Science & Mathematics ➔ Engineering

® means it is registered trade mark.
™ means trade mark.
© means this is copy right.

2006-10-07 14:59:46 · answer #1 · answered by CenTexan 4 · 0⤊ 0⤋

TM means that it's a trade mark and R in a circle means that it's a registered trade mark.

2006-10-07 13:23:42 · answer #2 · answered by Shopgirl9337 4 · 0⤊ 0⤋

Hi. R is for Registered Trade Mark and TM is for, well, unregistered Trade Mark.

2006-10-07 13:22:18 · answer #3 · answered by Cirric 7 · 1⤊ 0⤋