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Konstantin Lazarov Valtchev
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Toronto, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Connection mechanism for a uterine mobilizer
Patent number
8,617,179
Issue date
Dec 31, 2013
Konstantin Lazarov Valtchev
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Vaginal delineating device
Patent number
8,495,809
Issue date
Jul 30, 2013
Konstantin Lazarov Valtchev
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Vaginal spring loaded delineator
Patent number
8,347,888
Issue date
Jan 8, 2013
Konstantin Lazarov Valtchev
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Urethral sling introducer and method of use
Patent number
7,338,432
Issue date
Mar 4, 2008
Konstantin Valtchev
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Laparoscopic needle introducer device
Patent number
6,527,793
Issue date
Mar 4, 2003
Konstantin L. Valtchev
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Acoustical apparatus sound system
Patent number
6,060,654
Issue date
May 9, 2000
Valgon Sound Inc.
Konstantin L. Valtchev
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Acoustical ring and bell sound system
Patent number
5,780,757
Issue date
Jul 14, 1998
Valgon Sound
Konstantin L. Valtchev
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Clarinet ligature and mouthpiece grasping ring
Patent number
5,728,957
Issue date
Mar 17, 1998
Konstantin L. Valtchev
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Clarinet mouthpiece grasping rig
Patent number
5,578,776
Issue date
Nov 26, 1996
Konstantin L. Valtchev
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Collar system for uterine mobilizer
Patent number
5,562,679
Issue date
Oct 8, 1996
Konstantin L. Valtchev
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Connection mechanisms for uterine mobilizer
Patent number
5,445,643
Issue date
Aug 29, 1995
Konstantin L. Valtchev
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Clarinet ligature and grasping ring
Patent number
5,440,962
Issue date
Aug 15, 1995
Konstantin L. Valtchev
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Single channel balloon uterine injector
Patent number
5,100,382
Issue date
Mar 31, 1992
Konstantin L. Valtchev
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Chorion biopsy instrument
Patent number
4,681,123
Issue date
Jul 21, 1987
Konstantin L. Valtchev
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Gynecologic instrument
Patent number
4,022,208
Issue date
May 10, 1977
Konstantin L. Valtchev
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
Second generation tape
Publication number
20120046517
Publication date
Feb 23, 2012
Konstantin Lazarov Valtchev
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Connection mechanism for a uterine mobilizer
Publication number
20100287757
Publication date
Nov 18, 2010
Konstantin Lazarov Valtchev
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Vaginal delineating device
Publication number
20100180422
Publication date
Jul 22, 2010
Konstantin Lazarov Valtchev
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Vaginal Spring Loaded Delineator
Publication number
20080249535
Publication date
Oct 9, 2008
Konstantin Lazarov Valtchev
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Vaginal delineation and occlusion device
Publication number
20050107818
Publication date
May 19, 2005
Konstantin L. Valtchev
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Urethral sling introducer and method of use
Publication number
20050107660
Publication date
May 19, 2005
Konstantin Valtchev
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE