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Kevin F. Hahnen
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Pleasanton, CA, US
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last 30 patents
Information
Patent Grant
Electrocautery probe with variable morphology electrode
Patent number
5,980,519
Issue date
Nov 9, 1999
Symbiosis Corporation
Kevin F. Hahnen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Loop electrodes for electrocautery probes for use with a resectoscope
Patent number
5,957,923
Issue date
Sep 28, 1999
Symbiosis Corporation
Kevin F. Hahnen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Single arm electrocautery probes for use with a resectoscope
Patent number
5,938,661
Issue date
Aug 17, 1999
Symbosis Corporation
Kevin F. Hahnen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Resectoscope roller electrode having high heat zone insert
Patent number
5,908,419
Issue date
Jun 1, 1999
Symbiosis Corporation
Kevin F. Hahnen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Electrodes having upper and lower operating surfaces for electrocau...
Patent number
5,902,300
Issue date
May 11, 1999
Symbiosis Corporation
Kevin F. Hahnen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Roller electrodes for electrocautery probes for use with a resectro...
Patent number
5,779,700
Issue date
Jul 14, 1998
Symbiosis Corporation
Kevin F. Hahnen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Arthroscopic surgical instruments having suction capability
Patent number
5,683,359
Issue date
Nov 4, 1997
Symbiosis Corporation
Laszlo Farkas
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Bipolar roller electrodes and electrocautery probes for use with a...
Patent number
5,634,924
Issue date
Jun 3, 1997
Symbiosis Corporation
David Turkel
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Snap fit collar for coupling the end of a flexible coil to the actu...
Patent number
5,632,764
Issue date
May 27, 1997
Symbiosis Corporation
Tracie L. Beideman
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Endosurgical instrument with a radially movable end effector
Patent number
5,586,990
Issue date
Dec 24, 1996
Symbiosis Corporation
Kevin F. Hahnen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Endoscopic urological biopsy forceps
Patent number
5,569,299
Issue date
Oct 29, 1996
Symbiosis Corporation
Gary R. Dill
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Loop electrodes for electrocautery probes for use with a resectoscope
Patent number
5,569,244
Issue date
Oct 29, 1996
Symbiosis Corporation
Kevin F. Hahnen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Roller electrodes for electrocautery probes for use with a resectos...
Patent number
5,549,605
Issue date
Aug 27, 1996
Symbiosis Corporation
Kevin F. Hahnen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Track guided end effector assembly for use with endoscopic instruments
Patent number
5,490,861
Issue date
Feb 13, 1996
Symbiosis Corporation
Peter K. Kratsch
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Rack and pinion actuator handle for endoscopic instruments
Patent number
5,478,350
Issue date
Dec 26, 1995
Symbiosis Corporation
Peter K. Kratsch
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Arthroscopic surgical instruments
Patent number
5,395,375
Issue date
Mar 7, 1995
Symbiosis Corporation
David Turkel
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Arthroscopic surgical instruments
Patent number
5,389,104
Issue date
Feb 14, 1995
Symbiosis Corporation
Kevin F. Hahnen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE