wound up when not in use

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Patents Grantslast 30 patents

Information Patent Grant
Vertical winding of a screen into a roll
- Patent number 10,252,179
- Issue date Apr 9, 2019
- Imax Corporation
- Waldemar Bazydlo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Room for conducting medical procedures
- Patent number 7,823,306
- Issue date Nov 2, 2010
- Fonar Corporation
- John D. Kersten
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
2954823
- Patent number 2,954,823
- Issue date Oct 4, 1960
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY