1
Alfrey Jr Turner, Schrenk Walter J: Highly reflective thermoplastic bodies for infrared, visible or ultraviolet light. The Dow Chemical Company, January 16, 1973: US3711176 (332 worldwide citation)

Highly reflective colored plastic film is prepared from transparent plastics having no pigment or inorganic material by forming the film from a number of layers of different thermoplastic materials which differ in refractive index and the layer thicknesses are from about 0.05 micron to about one mic ...


2
Fred I Ormiston: Veneer panels and method of making. Bush Riddle & Jackson, May 26, 1998: US05755068 (282 worldwide citation)

A veneer panel (10) has a relatively thin veneer layer (12) secured to a relatively thick supporting base (16) to form a generally rectangular veneer panel blank. The outer veneer layer (12) is then grooved in a predetermined pattern with longitudinally extending grooves (30) and transversely extend ...


3
Donald W Mallik: Holograms with discontinuous metallization including alpha-numeric shapes. American Banknote Holographics, Majestic Parsons Siebert & Hsue, August 25, 1992: US05142383 (160 worldwide citation)

Non-continuous reflective hologram or diffraction grating devices are provided in various forms for authenticating documents and things, such as those that contain visual information desired to be protected from alteration. Examples of such information include written personal data and photograph on ...


4
Robert W Dean Jr: Method, building structure and side-split block therefore. Designer Blocks, Andrus Sceales Starke and Sawall, June 22, 1982: US04335549 (160 worldwide citation)

A composite module (14) is formed by a specially constructed mold (65) and division plate (80) to form plural splitting planes (28, 31, 33, 51, 54, 56) in the composite module which is thereafter split by a series of knives (114-116, 121-123, 126, 127) aligned with such predefined splitting planes t ...


5
Turner Edward C: Roofing panel with interlocking side edges. Gammons Robert T, April 30, 1974: US3807113 (110 worldwide citation)

Panels for roofing or siding having flat sides and sides molded to be imitative of a plurality of shingles and underlying and overlying portions at the edges of the panels operable, when interengaged, to prevent lateral movement of the adjacent panels relative to each other and lifting of the overly ...


6
Rowland William P: Retroreflecting signs and the like with novel day-night coloration. Rowland Development Corporation, August 20, 1974: US3830682 (106 worldwide citation)

A retroreflective indicator providing differing day and night coloration is provided by a retroreflective material having a transparent fluorescent dye composition forwardly of the reflective surface which fluoresces light of a first wavelength band and transmits light of a second wavelength band. T ...


7
Brian Hubert, Colin Bulthaup, Chris Gudeman, Chris Spindt, Scott Haubrich, Mao Takashima, Joerg Rockenberger, Klaus Kunze, Fabio Zurcher: Contact print methods. Kovio, Haverstock & Owens, October 25, 2005: US06957608 (104 worldwide citation)

A method of and device for controlled printing using liquid embossing techniques is disclosed. In accordance with the embodiments of the invention a stamp comprises a differentiated embossing surface with protruding and recessed surfaces to enhance the ability of the stamp to selectively displace li ...


8
Alan J Tooth: Security papers. Portals, Buell Blenko & Ziesenheim, January 15, 1980: US04183989 (102 worldwide citation)

A security paper which contains a security device e.g. a strip, thread or planchette having at least two machine verifiable security features thereon, one of which is a magnetic material, which may be magnetically coded or printed in a predetermined pattern on the device, and a second of which is a ...


9
Heenan Sidney A: Reflector with interspersed angled reflex elements. Amerace Esna Corporation, Prangley Dithmar Vogel Sandler & Stotland, March 25, 1975: US3873184 (87 worldwide citation)

The reflector is constructed of transparent material and has on its rear face a plurality of first and second retrodirective reflector elements. The optical axes of the first reflector elements are arranged at a different angle than the optical axes of the second reflector elements. The first and se ...


10
Chuan Ho Hwang: Artificial scenic rock and its manufacturing method. W Wayne Liauh, July 25, 1995: US05435949 (85 worldwide citation)

An artificial scenic rock made using a die-casting process and from a water-curable material such as cement or gypsum, water, and a polymer-based foaming agent. The artificial scenic rock is made first by spraying a color primer on the inner surface of a die casting mould. Then a filler, which was p ...



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