Arlie R Conner: Reshaping light source modules and illumination systems using the same. 3M Innovative Properties Company, Anna A Wetzels, Jay R Pralle, July 24, 2007: US07246923 (108 worldwide citation)

Light source modules are disclosed, which include an emitter having a light-emitting surface and a pyramid collector mounted onto the emitter over the emitting surface. Also disclosed are illumination systems, including a plurality of light source modules, each light source module comprising an emit ...

Byung Soo Ko, Mark E Gardiner, Dongwon Chae: Optical film having a structured surface with offset prismatic structures. 3M Innovative Properties Company, Anna A Wetzels, May 22, 2007: US07220026 (28 worldwide citation)

The present disclosure is directed to optical films having a first surface and a structured surface, the structured surface comprising a plurality of prismatic structures. Each prismatic structure has a base including at least two first sides and at least two second sides. At least one of the first ...

David S Taylor, Peter D Lee, Desmond T Curran, Peter B Allen, Scott R Alexander: Respiratory component mounting assembly. 3M Innovative Properties Company, Anna A Wetzels, October 26, 2010: US07819120 (26 worldwide citation)

A respiratory component mounting assembly includes a first respiratory component, a second respiratory component and a mounting clip for mounting the second respiratory component to the first respiratory component. Each of the first and second respiratory components includes at least two spaced apar ...

Peter D Condo, Timothy J Hebrink, John A Wheatley, Andrew J Ouderkirk, Andrew T Ruff, Yaoqi J Liu, Milton H Andrus Jr: Multilayer optical bodies. 3M Innovative Properties Company, Anna A Wetzels, November 28, 2006: US07141297 (25 worldwide citation)

Optical bodies, comprising: a plurality of first optical layers comprising a first polymer composition that comprises (i) a polyester portion having terephthalate comonomer units and ethylene glycol comonomer units; and (ii) a second portion corresponding to a polymer having a glass transition tempe ...

Jeffery N Jackson, William Ward Merrill, Andrew T Ruff, Desiree L Thompson, Dennis L Krueger: Apparatus for making transversely drawn films with substantially uniaxial character. 3M Innovative Properties Company, Anna A Wetzels, December 26, 2006: US07153122 (17 worldwide citation)

A process for stretching films is described. The process preferably stretches films in a uniaxial fashion. Preferably, optical films are stretched including multilayer optical films. Other aspects of the invention include a roll of stretched film and an apparatus for stretching films.

Lisa M Croll, Pierre Legare, David E Livingstone: Portable blower system. 3M Innovative Properties Company, Anna A Wetzels, July 6, 2010: US07748381 (15 worldwide citation)

A portable cooling or respiratory blower system of the type carried by a user's body includes a housing having two air flow chambers. An impeller is rotatably disposed between the two air flow chambers and includes a base wall that places the two air flow chambers in non-fluidic communication when t ...

William A Mittelstadt, John M Pilgrim: Respiratory protection device that has rapid threaded clean air source attachment. 3M Innovative Properties Company, Anna A Wetzels, January 22, 2008: US07320722 (11 worldwide citation)

A personal respiratory protection device 10 that comprises a mask body 12 that has a structure 35 located on it for receiving a clean air supply source such as a filter cartridge 14. The clean air receiving structure 35 has a first threaded portion 34. The clean air supply source has a second thread ...

Kristina M Magnusson, Kenneth Jarefors, Per Olav Dahlin: Automatic darkening filter with offset polarizers. 3M Innovative Properties Company, Anna A Wetzels, January 13, 2009: US07477330 (11 worldwide citation)

A protective automatic darkening filter construction 10 includes two low twist liquid crystal cells 26, 30 interspersed between a series of offset polarizers 24, 28, 32. The resulting construction provides improved homogeneity in the dark state as viewed by the user over a large viewing angle. By re ...

Jeremie Voix, Frederic Laville: Method and apparatus for objective assessment of in-ear device acoustical performance. 3M Innovative Properties Company, Anna A Wetzels, March 30, 2010: US07688983 (11 worldwide citation)

A method and apparatus for objectively assessing acoustical performance of an in-ear device having a passageway extending there through use a dual microphone probe that removably engages the passageway. The acoustical performance of the in-ear device is performed with the in-ear device inserted into ...

Donald S Seeto: Metal detectable lens. 3M Innovative Properties Company, Anna A Wetzels, June 28, 2011: US07967435 (8 worldwide citation)

A metal detectable lens that includes a first layer having a first and second surface, the first layer including a visibly transparent material; and a second layer disposed on the first surface of the first layer, wherein the second layer is a layer of conductive material. Eyewear including at least ...