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Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 6629832 | Apparatus for molding an end of an annular article Apparatus for molding an annular article, such as a radiator hose, from an organic material, such as an elastomeric material, the apparatus having a mandrel with an external surface against which an inner surface of the article is molded. The mandrel also... | 10/07/2003 |
| 5173029 | Glass sheet positioning device A device (10) for positioning a glass sheet or other generally rigid planar object (G), having a roller bed table (12) for supporting the object in a horizontal plane and an overhead device (14) carrying a first set of spaced apart arms (26, 28, 30, 32), ... | 12/22/1992 |
| 5035533 | Highway expansion joint strip seal An expansion joint strip seal for use between spaced apart ends of sections of a highway, bridge, or the like, the strip seal having an elongate metallic rail with a C-shaped cavity therein embedded in the end of one of the sections, a second elongate met... | 07/30/1991 |
| 5029708 | Fresh potted plant shipping and display carton A square RSC carton for potted plants and flowers to be used for shipping the potted item in the carton to the retail store, and for display of the potted item at the retail store. The top flaps are perforated for removal of arcuate portions of the top fl... | 07/09/1991 |
| 5027848 | Pressure indicating valve stem A pressure indicating valve stem for a pneumatic tubeless tire comprises a tubular valve core holder (5), a mounting sleeve (4) in which the core holder is capable of elastically restrained telescopic movement, a clamp nut threaded on said sleeve which in... | 07/02/1991 |
| 5020423 | Rotating blade damper with blade lock and stop mechanism A rotating blade damper for an air handling system, the damper having a perimetrical frame and a blade or a plurality of blades each of which is rotatable with respect to the frame between a flow permitting position and a flow blocking position. Each blad... | 06/04/1991 |
| 5012930 | One-piece, self-locking computer software container A die cut blank of corrugated paperboard for forming a one-piece self-locking container for a product such as computer software items. Five panels forming the top, bottom and sides of the container are in line and flaps depend from either side of one of t... | 05/07/1991 |
| 4958555 | Sight proof, drainable blade louver assembly A sight proof, drainable blade louver assembly for use in the wall of a building or other enclosure to permit outside air to enter the building, the louver having a plurality of spaced apart blades arranged between spaced apart vertical jambs of a frame i... | 09/25/1990 |
| 4955763 | Glass drilling machine A glass drilling machine for drilling holes in a sheet of glass in which each hole is partly drilled from one side of the sheet and is then finish drilled from the opposite side. The machine is made up of aligned first and second drilling devices which ar... | 09/11/1990 |
| 4863030 | Press-on, twist-off plastisol-lined metal closure A plastisol-lined metal closure of the press-on, twist-off type and having improved top load resistance to permit containers capped with such closures to be packaged in open top trays, the plastisol lining having a density of at least approximately 58 pou... | 09/05/1989 |
| 4853832 | Cascaded resonant bridge converters A converter for converting a low voltage direct current power source to a higher voltage, high frequency alternating current output for use in an electrical system where it is desired to use low weight cables and other circuit elements. The converter has ... | 08/01/1989 |
| 4802331 | Glass fiber bulk strand roving A glass fiber bulk strand roving that is made up of a multiplicity of strands, each of which is made up of a plurality of individual fibers, for example, 200 of such fibers. Each strand of the roving has a multiplicity of rather long, axially extending lo... | 02/07/1989 |
| 4790136 | Method and apparatus for the manufacture of glass fiber strand roving A glass fiber bulk strand roving that is made up of a multiplicity of strands, each of which is made up of a plurality of individual fibers, for example, 200 of such fibers. Each strand of the roving has a multiplicity of rather long, axially extending lo... | 12/13/1988 |
| 4776162 | Method and apparatus for the manufacture of glass fiber bulk strand roving A method and apparatus for the manufacture of a glass fiber bulk strand roving which is made up of a multiplicity of strands, each of which is made up of a plurality of individual fibers, for example, 200 of such fibers. Each strand of the roving has a mu... | 10/11/1988 |
| 4761989 | Method of calibrating a torque testing device and a magnetic calibration device therefor A hand operable calibration device for calibrating or re-calibrating a spring type torque tester, the device having first and second partially overlapping members with bearings therebetween to permit relative rotation between the first and second members.... | 08/09/1988 |
| 4741151 | Method and apparatus for the manufacture of glass fiber bulk strand roving A glass fiber bulk strand roving that is made up of a multiplicity of strands, each of which is made up of a plurality of individual fibers, for example, 200 of such fibers. Each strand of the roving has a multiplicity of rather long, axially extending lo... | 05/03/1988 |
| 4740129 | Slice separating and feeding apparatus and method A device for separating slices of bread from sliced loaves of bread and for transferring the separated slices one by one to a conveyor for further processing. The device incorporates an inclined, intermittently driven infeed conveyor for conveying the sli... | 04/26/1988 |
| 4589181 | Method of converting a sedan to a limousine A conventional production two-door motor vehicle converted to a four-door limousine by severing the frame of the production motor vehicle near the center of the passenger compartment into a forward frame segment and rear frame segment. The longitudinal ro... | 05/20/1986 |
| 3995740 | Nestable fabricated thermoplastic container A fabricated cup or other nestable container in which the sidewall is formed from a rectangular sheet-like blank of a thermoplastic material, particularly an expanded thermoplastic material, the blank having its ends joined to one another in a liquid-tigh... | 12/07/1976 |
