Montgomery; Robert H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Montgomery; Robert H..The latest application filed is for "call notification service for use with call waiting".
- Montgomery; Robert H. - Oak Hill VA
- Montgomery; Robert H. - Herndon VA
- Montgomery; Robert H. - Baden PA
| Patent | Date |
|---|---|
| Call notification service for use with call waiting Grant 6,798,868 - Montgomery , et al. September 28, 2 | 2004-09-28 |
| Voice mail source address indentification blocking Grant 6,226,359 - Montgomery , et al. May 1, 2 | 2001-05-01 |
| Telecommunications network circuit usage measurement Grant 5,854,835 - Montgomery , et al. December 29, 1 | 1998-12-29 |
| Telecommunications network circuit usage measurement Grant 5,809,120 - Montgomery , et al. September 15, 1 | 1998-09-15 |
| Method and system for toll carrier selection Grant 5,781,620 - Montgomery , et al. July 14, 1 | 1998-07-14 |
| Telecommunications network circuit usage measurement Grant 5,774,530 - Montgomery , et al. June 30, 1 | 1998-06-30 |
| Public switched telephone network access to public data network Grant 5,315,641 - Montgomery , et al. May 24, 1 | 1994-05-24 |
| Rotatable cutting bit Grant 4,850,649 - Beach , et al. July 25, 1 | 1989-07-25 |
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