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Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| D659851 | Building units | 05/15/2012 |
| D659853 | Building exterior | 05/15/2012 |
| D659852 | Vehicle canopy | 05/15/2012 |
| D658779 | Collapsible portable hunting blind | 05/01/2012 |
| D657887 | Inflatable theatre | 04/17/2012 |
| D656239 | Inflatable theatre | 03/20/2012 |
| D653352 | Inflatable flat roof theatre | 01/31/2012 |
| D648864 | Building exterior | 11/15/2011 |
| D629123 | Rocket train tube | 12/14/2010 |
| D627480 | Semi-portable vehicle storage device | 11/16/2010 |
| D626658 | Building house with integrated power generator system | 11/02/2010 |
| D591867 | Gazebo | 05/05/2009 |
| D542932 | Kiosk | 05/15/2007 |
| D541428 | Public toilet | 04/24/2007 |
| D537952 | Cart corral | 03/06/2007 |
| 7076923 | Simulated exposed roof rafter end An exposed rafter end is simulated by a frame and complementary sleeve. The frame is attached to a building eave and the sleeve is inserted over the frame. In an alternative embodiment, the sleeve is inserted over an exposed rafter end. In yet another embodiment, th... | 07/18/2006 |
| 4886083 | Vehicle cover Portable cover for vehicle has foldable frame with weather resistant flexible sheet. A ground-rail on each side of the vehicle includes support bars redoubtably mounted on the ground-rail, the bars supporting the weather resistant sheet and being connecte... | 12/12/1989 |
| 4864783 | Structural element especially suitable for solar greenhouses and the like and particularly utilizable for controlled shading A structural arrangement is provided which is particularly useful in connection with solar greenhouses. The structural member is suitable for use in a parallel arrangement of the same particularly for the purpose of providing controlled shading. The struc... | 09/12/1989 |
| 4848047 | Spherical buildings A building of generally spherical configuration has a lower portion and an upper portion and includes an outer skin of first triangular panels and an inner skin of second triangular panels. Substantially all of the panels are light-transmitting, and may b... | 07/18/1989 |
| 4833813 | Inflatable hunting blind An inflatable hunting blind is constructed of a series of internally interconnected, vertically stacked horizontal annular air chambers, each constructed of lightweight vinyl chloride, polyethylene or any vinyl plastic, such as polyvinyl chloride, or the ... | 05/30/1989 |
| 4833837 | Folding radome Radome for protection from atmospheric influences, with a folding, rigid reinforcing structure and a flexible roofing comprising one or more parts; a radome wherein, in order to prevent any formation of pockets, this roofing is made with a double wall and... | 05/30/1989 |
| 4815736 | Portable batting cage and method of assembling same An elongated, portable cage is constructed from a plurality of arcuately shaped frame members to which a net is secured so as to form an arch shaped enclosure. Anchoring cables are attached to the frame members and the support surface so as to maintain th... | 03/28/1989 |
| 4794717 | Hunting blind structure A portable hunting blind structure particularly adapted for hunting ducks and geese wherein the blind is arranged to resemble a bale of hay, an environmental item with which ducks and geese are familar and the blind provides sufficient space therein to co... | 01/03/1989 |
| 4765103 | Building structure and components thereof A generally self-supporting structure made from a number of interlocking components which can be assembled together, and optionally if desired disassembled. The structure may vary in size from quite small playthings for young children to very large buildi... | 08/23/1988 |
| 4653238 | Cylindrically modular above-ground housing units Modular living space constructed from ten-foot diameter cylindrical continuous pipe stock of predetermined unit lengths. Depending upon the amount of desired total living space, multiple units may be coupled end-to-end via coupling bands and extension mem... | 03/31/1987 |
| 4590717 | Static three hinged arch building structure A structural building module has first and second upright cast structural members. Each of the first and second structural upright members include a wall portion and a roof portion. These structural members are initially supported on erection pads such th... | 05/27/1986 |
| 4550533 | Air-supported structure for sport activities An air-supported structure for housing sport activities such as a golf-driving range. The structure is made of a substantially air-impervious membrane and preferably enclosed in a cable net. The structure is provided with an internal system of protective ... | 11/05/1985 |
| 4536997 | Reinforced construction panel A reinforced construction panel which is bent around a longitudinal flexure axis. The panel has a plurality of parallel, dovetail-shaped grooves in its inner surface. Each of the dovetail-shaped grooves lies in a plane which is perpendicular to the longit... | 08/27/1985 |
| 4467781 | Safety apparatus for portable fuel-burning heaters A safety apparatus for portable, fuel-burning heaters is provided which comprises a foraminate container for enclosing the heater. The container includes a tray- or pan-like base having a rectangular back wall and obliquely-shaped side walls, a vaulted or... | 08/28/1984 |
| 4453327 | Solar display kiosk A solar display kiosk particularly to a display kiosk that during day time conditions is illuminated by the sun. It provides, in its preferred embodiment, a closed cylindrical member placed in the vertical position with an open or a closed but light trans... | 06/12/1984 |
| 4440376 | Earth sheltered building technology The earth sheltered building consists of a thin elliptoidal shell which is attached to a generally curvilinear top viewed foundation. The elliptoidal shell meets the foundation at a generally horizontal latitudinal plane which is spacially below and paral... | 04/03/1984 |
| 4435926 | Ridge roof The invention is an improved structure for a new roof for a travel trailer, mobile home, modular or manufactured homes. The invention also has a specific use for modifying a conventional type mobile home having a curved or arc-like roof configuration. The... | 03/13/1984 |
| 4404980 | Arched support structure with cover A covered structure is formed in an arched shape and utilizes PVC pipe which is slidable through sleeves electrically welded to a cover. The PVC pipe is bent into an arched shape and is attached to spreader bars which serve as the ground contacting portio... | 09/20/1983 |
| 4365455 | Method of building construction A method of constructing a construction shell, the method comprising the steps of: forming a sheet of thin flexible material into a shape complementary to the shape of a constructional shell to be formed; erecting and supporting the sheet material in the ... | 12/28/1982 |
| 4312159 | Support for trailer tip outs A support for a trailer tip out is provided. Larger house trailers, in particular, sometimes have additional rooms or tip outs which are hinged or slide out of side walls of the trailers and moveable through openings therein between a storage position wit... | 01/26/1982 |
| 4306390 | Recreational vehicle enclosure A recreational vehicle enclosure comprising a base, a first housing portion pivotally secured to the base and a second housing portion pivotally secured to the base about the same pivotal axis. The second housing portion is appropriately dimensioned so as... | 12/22/1981 |
| 4280306 | Convertible enclosure for buildings and areas A convertible tennis-court enclosure, comprising a plurality of parallel supporting beams and two closure elements between two of the supporting beams to be extended simultaneously along the supporting beams, each element including a series of purlins arr... | 07/28/1981 |
| 4270319 | Mobile vending booth A mobile vending booth of the sort having a vending opening on at least one long-side and having a chassis floor, is equipped with at least one roller shutter for shutting off at least the vending opening. Furthermore, there is a roller shutter guideframe... | 06/02/1981 |
| 4227542 | Collapsible shelter A collapsible shelter includes a central hub, a multiplicity of ribs, pivotably secured and extending radially outwardly from the hub, and a covering material secured to each of the ribs and interconnecting adjacent ones thereof. The ribs of the shelter a... | 10/14/1980 |
| 4194328 | Building construction Home building construction is characterized in a combination sidewall and roof extending from the building base to peak over the length of the building. The combination sidewall and roof provides internally of the home a continuous surface on which a shee... | 03/25/1980 |
