Membership
Tour
Register
Log in
Shirley E. Wapner
Follow
Person
Springfield, MA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Stair lift
Patent number
4,915,573
Issue date
Apr 10, 1990
Frank J. Wapner
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE