Alfrey Jr Turner, Schrenk Walter J: Highly reflective thermoplastic bodies for infrared, visible or ultraviolet light. The Dow Chemical Company, January 16, 1973: US3711176 (347 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 ...

Fred I Ormiston: Veneer panels and method of making. Bush Riddle & Jackson, May 26, 1998: US05755068 (322 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 ...

Donald W Mallik: Holograms with discontinuous metallization including alpha-numeric shapes. American Banknote Holographics, Majestic Parsons Siebert & Hsue, August 25, 1992: US05142383 (167 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 ...

Robert W Dean Jr: Method, building structure and side-split block therefore. Designer Blocks, Andrus Sceales Starke and Sawall, June 22, 1982: US04335549 (165 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 ...

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 (118 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 ...

Turner Edward C: Roofing panel with interlocking side edges. Gammons Robert T, April 30, 1974: US3807113 (114 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 ...

Alan J Tooth: Security papers. Portals, Buell Blenko & Ziesenheim, January 15, 1980: US04183989 (109 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 ...

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 ...

Michael E Woolford: Paving block array. Oldcastle, Panitch Schwarze Jacobs & Nadel P C, March 23, 1999: US05884445 (93 worldwide citation)

A unitary paving block having an exposed surface in use having a multitude of markings to simulate individual, random paving elements has a periphery with a shape which enables the block to be laid with other similar blocks in an irregular, substantially unrepeated paving array. The shape of the per ...

Darko Pervan: Floorboards with decorative grooves. Valinge Innovation, Buchanan Ingersoll, November 21, 2006: US07137229 (90 worldwide citation)

Floorboards consisting of a core and a surface layer with decorative joint edge portions which are formed by removing the surface layer.