David D. Polacsek

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Eyria, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Oxygen conserving device utilizing a radial multi-stage compressor...
- Patent number 7,204,249
- Issue date Apr 17, 2007
- Invcare Corporation
- Joseph B Richey, II
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Seat cushion for wheelchairs
- Patent number 5,513,899
- Issue date May 7, 1996
- Invacare Corporation
- Gregory A. Michaels
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Combination automobile sun visor and radio and speaker assembly
- Patent number 4,362,907
- Issue date Dec 7, 1982
- David D. Polacsek
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Combination automobile sun visor and speaker assembly
- Patent number 4,326,100
- Issue date Apr 20, 1982
- David D. Polacsek
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Indoor plant growing apparatus
- Patent number 4,244,145
- Issue date Jan 13, 1981
- David D. Polacsek
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents

Information Patent Application
System and method for humidifying a breathing gas
- Publication number 20080066751
- Publication date Mar 20, 2008
- Invacare Corporation
- David D. Polacsek
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE