Trademark applications and grants for Opcom. Opcom has 4 trademark applications. The latest application filed is for "D.I.A.L."
Patent Application | Date |
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PBX DID and E and M tie trunk integration adapter and method 4,792,967 - 06/831,177 Ladd , et al. December 20, 1 | 1988-12-20 |
PBX telephone call control system 4,783,796 - 06/803,126 Ladd November 8, 1 | 1988-11-08 |
PBX telephone call control system 4,747,124 - 06/731,171 Ladd | 1988-05-24 |
Mark Image Registration | Serial | Trademark Application Date |
---|---|
![]() "D.I.A.L." 1520865 73722791 |
D.I.A.L. 1988-04-18 |
![]() "D.I.A.L. PRO" 73723043 |
D.I.A.L. PRO 1988-04-18 |
![]() "D.I.A.L." 1516267 73723044 |
D.I.A.L. 1988-04-18 |
![]() "D.I.A.L. PRO" 1538582 73722787 |
D.I.A.L. PRO 1988-04-18 |
SEC | 0000713394 | OPCOM |
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