Finding similarity between LASER for golf clubs and golf balls and LASERSWING for golf practice devices, and noting that "the term ‘swing’ is both common and descriptive" and therefore "may be given little weight in reaching a conclusion on likelihood of confusion"
Recognizing that separate corporate, business and personal entities that operate as a single entity in the eyes of the consuming public may be treated as such for trademark purposes
Holding that third-party evidence should not be disregarded in evaluating the strength of a mark for purposes of determining the likelihood of confusion
Stating that "[a]s to strength of a mark . . . [third-party] registration evidence may not be given any weight . . . [because they are] not evidence of what happens in the market place"