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Joseph Alexander Lieb
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Narberth, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Electric dental handpiece
Patent number
9,877,798
Issue date
Jan 30, 2018
SPRING HEALTH PRODUCTS, INC.
Joseph A. Lieb
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Vacuum forming apparatus
Patent number
5,855,931
Issue date
Jan 5, 1999
Nathaniel Howard Lieb
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Digital dental curing light
Patent number
D385630
Issue date
Oct 28, 1997
Nathaniel Howard Lieb
D24 - Medical and laboratory equipment
Information
Patent Grant
Kitchen ensemble having windows with controllable opacity
Patent number
5,589,958
Issue date
Dec 31, 1996
Joseph A. Lieb
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Patents Applications
last 30 patents
Information
Patent Application
ELECTRIC DENTAL HANDPIECE
Publication number
20130203014
Publication date
Aug 8, 2013
SPRING HEALTH PRODUCTS, INC.
Joseph A. Lieb
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ELECTRIC DENTAL HANDPIECE AND CONTROL SYSTEM
Publication number
20080118890
Publication date
May 22, 2008
SPRING HEALTH PRODUCTS, INC.
Arthur A. Knopp
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Light-emitting handpiece for curing photopolymerizable resins
Publication number
20030036031
Publication date
Feb 20, 2003
Joseph Alexander Lieb
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE