John A. Sheahon

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Lake Lotawana, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Cervical and endometrial biopsy instrument
- Patent number 5,476,104
- Issue date Dec 19, 1995
- John A. Sheahon
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Amniotic membrane perforator
- Patent number 5,087,262
- Issue date Feb 11, 1992
- John A. Sheahon
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Cervical biopsy instrument
- Patent number 4,961,430
- Issue date Oct 9, 1990
- John Sheahon
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE