Sperzel, Robert J. Trademarks
SPERZEL
Filed: September 19, 1997
guitar machine heads, nuts and bridges
Owned by: Sperzel, Robert J.
Serial Number: 75360170
TRIM-LOK
Filed: March 24, 1998
Guitar machine heads, nuts and bridges
Owned by: Sperzel, Robert J.
Serial Number: 75456100
GUITARBORFEST
Organizing community festivals featuring a variety of activities, namely, live music performances, swap meets, flea markets…
Owned by: Sperzel, Robert J.
Serial Number: 76328204
