Stephen J. Plzak

Person

Bryn Mawr, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Lifting device with release mechanism that moves with lifted object
- Patent number 7,367,547
- Issue date May 6, 2008
- Design Research & Development Corp.
- Stephen J. Plzak
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Buckle for maintaining tension in a serpentine article
- Patent number 6,295,700
- Issue date Oct 2, 2001
- Design Research & Development Corporation
- Stephen J. Plzak
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Cut-tree stand with over-center clamps
- Patent number 5,842,676
- Issue date Dec 1, 1998
- Steve James Plzak
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Christmas tree stand
- Patent number 5,577,701
- Issue date Nov 26, 1996
- Steve J. Plzak
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Lifting Device with Release Mechanism that Moves with Lifted Object
- Publication number 20070181863
- Publication date Aug 9, 2007
- DESIGN RESEARCH & DEVELOPMENT CORPORATION
- Stephen Plzak
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Tool and Gear Organizer System with Secure Hanging Method
- Publication number 20070170130
- Publication date Jul 26, 2007
- DESIGN RESEARCH & DEVELOPMENT CORPORATION
- Stephen J. Plzak
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Tool and gear organizer system with secure hanging method
- Publication number 20060016771
- Publication date Jan 26, 2006
- Design Research & Development Corporation
- Stephen J. Plzak
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Tool and gear organizer system with secure hanging method
- Publication number 20060016772
- Publication date Jan 26, 2006
- Design Research & Development Corporation
- Stephen J. Plzak
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Roof-top carrier
- Publication number 20050199665
- Publication date Sep 15, 2005
- Design Research & Development Corporation
- Stephen J. Plzak
- B60 - VEHICLES IN GENERAL
Information Patent Application
Carriage and support system
- Publication number 20040007604
- Publication date Jan 15, 2004
- Design Research and Development Corporation
- Stephen J. Plzak
- A44 - HABERDASHERY JEWELLERY

Stephen J. Plzak

Person

Patents Grantslast 30 patents

Lifting device with release mechanism that moves with lifted object

Buckle for maintaining tension in a serpentine article

Cut-tree stand with over-center clamps

Christmas tree stand

Patents Applicationslast 30 patents

Lifting Device with Release Mechanism that Moves with Lifted Object

Tool and Gear Organizer System with Secure Hanging Method

Tool and gear organizer system with secure hanging method

Tool and gear organizer system with secure hanging method

Roof-top carrier

Carriage and support system