Posted 4 years ago
Chefhowe
(1 item)
I have no clue where the R comes from. I heard it could have been a pre 1979 prototype? Any one have a slight idea why there is an R engraved.
Mack Design patent 87931 R | ||
| Cars341 of 1890 |  |  |
Mack Design patent 87931 R | ||
| Cars341 of 1890 | | |
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Posted 4 years ago
Chefhowe
(1 item)
I have no clue where the R comes from. I heard it could have been a pre 1979 prototype? Any one have a slight idea why there is an R engraved.
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Possible that it's indicating a registered trademark. And possibly they weren't able to engraver stamp the circle.
The R symbol indicates that this word, phrase or logo is a registered trademark for the product or service.