Model Number on Knob W/ Trademark "R" Above

[vegas]

I have a H&B 1973-1975 labeling with the trademark "R" above the K55 on the knob. I have never seen this and was curious to its meaning. Thanks for any help.

[metsbats]

http://www.gameuseduniverse.com/vb_forum/showthread.php?t=44356&highlight=K55+registered

Please check this out.

Hope it helps.

[vegas]

Thanks

I also found this,

Trademark Info
Word Mark:
K 55

Serial Number:
72455829
Registration Number:
0982851
Registration Date:
April 30, 1974
Filing Date:
April 27, 1973
Goods and Services:
Bats used in playing or practicing baseball
International Class(es):
028
Registration Date:
April 30, 1974
Type of Mark:
Trademark

Thanks for the help.