trademarks were found for owners matching the name Gem Instruments Corporation.| # | Class | status | |
|---|---|---|---|
| 1 |
S:73326734
M:VIDEO MASTER O:Gem Instruments Corporation |
9 | Dead |
| 2 |
S:73312519
M:GEM O:Gem Instruments Corporation, Gemological Instituete of America, GIA GEM INSTRUMENTS CORPORATION |
9 | Registered |
| 3 |
S:73308091
M:DIAMONDMASTER 
O:Gem Instruments Corporation, GEMOLOGICAL INSTITUTE OF AMERICA, INC., GIA GEM INSTRUMENTS CORPORATION |
9 | Dead |
| 4 |
S:73238042
M:COLOR MASTER O:Gem Instruments Corporation |
9 | Dead |
| 5 |
S:73237487
M:COLOR SCOPE O:Gem Instruments Corporation |
9 | Dead |
