In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7395635 | Device for lifting concrete parts A device for attaching and lifting concrete parts, in particular reinforced concrete prefabricated elements, having a storage box and at least one flexible rope element which penetrates the storage box and has a rope loop and an end anchor, with the rope loop being ... | 07/08/2008 |
| 7251869 | Burial device A burial device that resembles a coffin and has an extra compartment that allows two bodies to be buried at the same time and in the same grave. The burial device essentially allows two family members or acquaintances to be buried in the same grave at the same time.... | 08/07/2007 |
| 7246790 | Hoist System A hoist system for raising, lowering, or applying a pulling force to an object or equipment attached thereto. The hoist system has a hoist, a hoist adapter unit attached to the hoist, and a pull pin assembly. The hoist has a frame and a line, cable, or chain which i... | 07/24/2007 |
| 7137609 | Pulling iron pocket, lid and shield A pocket, lid and shield for casting a pulling iron in a concrete structure are described. The pocket includes a slot reinforced with stiffening members for receiving the pulling iron. The pocket also includes a frangible support post for supporting the pulling iron... | 11/21/2006 |
| 6743360 | Manhole debris-catching system A debris-catching system for preventing debris from falling into the pipe opening at the bottom of a manhole catch basin. The debris-catcher comprises two semi-circular halves hinged together such that the two halves may be folded and inserted into a manhole opening... | 06/01/2004 |
| 6688049 | Hook facility for concrete structure A pulling iron facility for encapsulation in a concrete structure has an elongated strength member with an intermediate portion forming an upwardly extending loop. The strength member has opposed end portions extending laterally away from the loop. A slee... | 02/10/2004 |
| 6651393 | Construction system for manufactured housing units The present invention relates to a new type of module in which the floor of the module is integral with the ceiling placement upon the module below it. This invention also provides utilization of temperature top protection a module during shipment. This i... | 11/25/2003 |
| 6613228 | Manhole debris-catching system A debris-catching system for preventing debris from falling into the pipe opening at the bottom of a manhole catch basin. The debris-catcher comprises two semi-circular halves hinged together such that the two halves may be folded and inserted into a manh... | 09/02/2003 |
| 6324793 | Burial crypt A crypt lid with lifting means for applying a vertical force to lift the lid is provided. The lid is preferably cast of concrete with one or more lifting holes extending vertically through the lid. The holes may be lined with a corrosion resistant materia... | 12/04/2001 |
| 5893241 | Precast concrete target house A precast, concrete building unit which is especially adaptable as a target house formed from concrete pour comprising a horizontal floor adaptable for placement on a subgrade, and vertical walls extending upright from the perimeter of the floor and preca... | 04/13/1999 |
| 5666768 | Collapsible handle assembly for concrete covers A housing designed to be anchored in concrete includes a handle and a pivot for moving the handle between an upstanding position and a generally recessed position with respect to the top of the housing. The pivot may extend from the housing for anchoring ... | 09/16/1997 |
| 5402609 | Concrete building block system A concrete building block (2) has complementary projections (10) and recesses (12) to cause it to interlock with other blocks (2). A T-shaped channel (16, 26) on the top surface (4) receives an anchor member (32). A projecting end (36) of the member (32) ... | 04/04/1995 |
| 4967523 | Funeral vault A funeral vault having a dome and a base slidably received within a casket receiving hollow of the dome. The dome is preferably comprised of a plurality of components adhered together and covered with an outer protective cover or laminate. A sloped extens... | 11/06/1990 |
| 4888922 | Setting hoist anchors in poured concrete structures A kit of parts and method for setting a hoist anchor in a poured concrete structure includes a hemispherical rubber void body having an anchor head receiving cavity therein, the body including the cavity being partially split into two quarter sphere halve... | 12/26/1989 |
| 4845906 | Funeral vault A two piece burial vault comprised of a cooperating pair of high density, molded polystyrene members which are adapted to be frictionally, foricibly coupled together to surround, seal and enclose a conventional casket. A lower generally planar base unit s... | 07/11/1989 |
| 4604839 | Tomb module A unitarily cast tomb module having a plurality of dividers panels unitarily formed with a roof panel and projecting downwardly therefrom. Lifting anchors in the module are adapted for attachment to a brace for transport of the module without cracking. Th... | 08/12/1986 |