Douglas B. Schumer

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Bala Cynwyd, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Device and method to facilitate the opening and closing and closing...
- Patent number 10,721,999
- Issue date Jul 28, 2020
- Bird with Fry Corp.
- Karen Phyllis Norheim
- A43 - FOOTWEAR

Patents Applicationslast 30 patents

Information Patent Application
DEVICE AND METHOD TO FACILITATE THE OPENING AND CLOSING AND CLOSING...
- Publication number 20170303642
- Publication date Oct 26, 2017
- BIRD WITH FRY, CORP.
- Karen Phyllis NORHEIM
- A43 - FOOTWEAR
Information Patent Application
Apparatus and methods for measuring pressure and flow in cardiac as...
- Publication number 20100121133
- Publication date May 13, 2010
- Douglas B. Schumer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE