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Kenneth L Smith, Tzu Li J Huang, James C Coderre: Flexible cube-corner retroreflective sheeting. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Karl G Hanson, September 12, 1995: US05450235 (153 worldwide citation)

A retroreflective article 10 has a body portion 14 and a multitude of cube-comer elements 12 that project from a rear side 20 of the body portion 14. The body portion 14 includes a body layer 18 that contains a light-transmissible polymeric material having an elastic modulus less than 7.times.10.sup ...


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Kenneth L Smith: Shielded radio frequency transmission cable. Charles Hieken, March 15, 1983: US04376920 (139 worldwide citation)

The subject invention is directed to a cable comprising at least one center conductor, a dielectric surrounding said conductor and a plurality of metallic sheaths with at least two of said metallic sheaths separated, having a high series impedance and high propagation function for the path between s ...


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Kenneth L Smith, Jaime R Ojeda, Ronald J Tabar: Angular brightness microprismatic retroreflective film or sheeting incorporating a syndiotactic vinyl aromatic polymer. 3M Innovative Properties Company, Alan Ball, Gerald Chernivec, Gary L Griswold, August 14, 2001: US06274221 (115 worldwide citation)

A novel microprismatic retroreflective film or sheeting is provided which comprises a transparent semicrystalline polymer. The microprismatic retroreflective film or sheeting of the present invention offers superior retroreflective brightness at large angles of incidence and at large observational a ...


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Kenneth L Smith: Wood golf club improvement. Thomas M Scofield, September 14, 1976: US03980301 (82 worldwide citation)

In a wood golf club wherein the club head is connected to the shaft by a generally L-shaped connecting member. The connecting member has (a) one leg received within and internally connected in the lower half of the club head and in general parallelism with the striking face and (b) the other leg has ...


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Susan K Nestegard, Gerald M Benson, Cheryl M Frey, John C Kelliher, James E Lasch, Kenneth L Smith, Theodore J Szczech: Dual orientation retroreflective sheeting. 3M Innovative Properties Company, Stephen C Jensen, August 10, 1999: US05936770 (81 worldwide citation)

A cube corner retroreflective sheeting construction comprising alternating zones of cube corner element arrays disposed at approximately ninety degrees orientations to provide exactly two principal plane of improved retroreflective performance in response to light incident on the sheeting at high en ...


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Susan K Nestegard, Gerald M Benson, Cheryl Frey, John C Kelliher, James E Lasch, Kenneth L Smith, Theodore J Szczech: Dual orientation retroreflective sheeting. Minnesota Mining and Manufacturing Company, Jed W Caven, Robert H Jordan, Stephen C Jensen, January 6, 1998: US05706132 (80 worldwide citation)

A cube corner retroreflective sheeting construction comprising alternating zones of cube corner element arrays disposed at approximately ninety degrees orientations to provide exactly two principal plane of improved retroreflective performance in response to light incident on the sheeting at high en ...


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Kenneth L Smith, Gerald M Benson: Retroreflective cube corner sheeting mold and sheeting formed therefrom. 3M Innovative Properties Company, Karl G Schwappach, Stephen C Jensen, November 9, 1999: US05981032 (75 worldwide citation)

Laminae suitable for use in a mold suitable for use in forming retroreflective sheeting and methods of making such laminae are disclosed. A representative lamina includes a single row of optically opposing cube corner elements disposed on its working surface. The working surface of a lamina is provi ...


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Kenneth L Smith, Gerald M Benson: Tiled retroreflective sheeting composed of highly canted cube corner elements. Minnesota Mining & Manufacturing Company, Stephen C Jensen, April 27, 1999: US05898523 (69 worldwide citation)

A retroreflective sheeting includes a first array of cube corner element opposing pairs and a second array of cube corner element opposing pairs. The symmetry axes of the cube corner elements in the first and second arrays are tilted in a backward direction at an angle of about 12.degree. to about 3 ...


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Dan E Luttrell, Robert L Erwin, Kenneth L Smith, Gerald M Benson: Cube corner sheeting mold and method of making the same. 3M Innovative Properties Company, Stephen C Jensen, Karl G Schwappach, Jed W Caven, July 10, 2001: US06257860 (60 worldwide citation)

Laminae suitable for use in molds for forming retroreflective cube corner elements and methods for making such laminae are disclosed. A representative lamina includes a first row of cube corner elements disposed in a first orientation and a second row of optically opposing cube corner elements dispo ...