Polly Rothstein

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Purchase, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Rollator having a user-adjustable track width
- Patent number 7,866,677
- Issue date Jan 11, 2011
- Polly Rothstein
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR MOVING PEOPLE
- Publication number 20140265256
- Publication date Sep 18, 2014
- Polly Rothstein
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS