Matthew L. Griffin

Follow

Person

Lexington, KY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Automatic variable frequency electrolarynx
- Patent number 10,154,899
- Issue date Dec 18, 2018
- Michael Biggs
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Edge making baking pan
- Patent number 6,412,402
- Issue date Jul 2, 2002
- Matthew L. Griffin
- A21 - BAKING EDIBLE DOUGHS

Patents Applicationslast 30 patents

Information Patent Application
Automatic Variable Frequency Electrolarynx
- Publication number 20180360597
- Publication date Dec 20, 2018
- Archer Medical Devices LLC
- Michael Biggs
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Cold weather hat with hair pull throughs
- Publication number 20020162155
- Publication date Nov 7, 2002
- Matthew L. Griffin
- A42 - HEADWEAR