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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 |
| 5241698 | Radio receiver operational checking method and system including reactive coupling A clock-driven pulse source is used to apply repetitive short pulses to the squelch control point of the squelch circuitry of a radio receiver to deactivate momentarily the squelch circuitry at regular intervals (FIGS. 2B, and 2D). The repetitive short pu... | 08/31/1993 |
| 5219006 | Method and apparatus for a strainer funnel with support means The discovery of the present invention includes method and apparatus for a strainer funnel with means for supporting itself over a wide variety of receptacles. The method and apparatus for a new and improved strainer funnel aid a cook in separating liquid... | 06/15/1993 |
| 5213565 | Temporary bandage tape A tape for attaching bandages, with non-adhesive tabs at each end for easy manipulation and removal while wearing gloves, are disclosed. Also disclosed are a temporary bandage with non-adhesive ends; a roll formation of such tapes, each tape section separ... | 05/25/1993 |
| 5205083 | Method and apparatus for polishing optical lenses A new and improved method and apparatus for polishing optical lenses using free-flowing polishing fluid (23) passing across a flexible permeable membrane (1). The free-flowing polishing fluid (23) forces the permeable membrane (5) to conform to the shapes... | 04/27/1993 |
| 4660412 | Three fluid method for non-mercury intrusion porosimetry A three-fluid method of non-mercury liquid intrusion porosimetry. The sample to be tested and a quantity of non-wetting intrusion liquid other than mercury are introduced into a sealable, pressurizable chamber, the sample being above the intrusion liquid.... | 04/28/1987 |
| 4598940 | Combined latch and hinge for vehicle covers A combined hinge and latch mechanism for vehicle tops or "caps", which allows the cap to be lifted from either side. The mechanism has two parts, a plate which mounts to the truck or other vehicle bed and a latch, comprising a rod having handle and semici... | 07/08/1986 |
| 4565023 | Indicia display means Indicia display means comprising an indicia-bearing member having one or more sets of visible indicia located thereon in predetermined locations, and a mask member arranged to overlay the indicia-bearing member, the mask member having perforations or open... | 01/21/1986 |
| 4556011 | Multicolor tinter tank system A multifluid dispensing system especially suited for web tinting machines or the like. A plurality of fluid and, optionally, air-tight tanks are provided. In a recirculating embodiment, the tanks feed fluid to, and receive fluid from, two manifolds. The u... | 12/03/1985 |
| 4534316 | Cat toy A toy for pets, especially cats, in the form of a blanket-like material with selectively expansible "risers" operated remotely by a pet owner.... | 08/13/1985 |
| 4533280 | Surface removal silo unloaders An improved silo unloader having an ensilage cover of air impermeable thermally insulating material for limiting air contact with the surface of the ensilage. The ensilage cover rests on the surface of the ensilage and rotates with the lower part of the s... | 08/06/1985 |
| 4524788 | Hair roller An improved hair roller or permanent wave rod comprising a cylindrical member on which the hair is wound, and a flexible strap or band, the cylindrical member and the ends of the strap having self-adhering material which has a high resistance to shear for... | 06/25/1985 |
| 4519088 | Usage control system A usage control system for copiers and the like, adapted to connect to the copier through the existing accounting system connection. A check-operated device, such as a coin box or magnetic card reader, supplies the copier with a signal to initiate operati... | 05/21/1985 |
| 4509692 | Drip or trickle irrigation A drip and trickle irrigator independent of the pressure of the water supply. The drip irrigator has an inlet with a variable-orifice to control the fluid flow into a chamber. A float within the chamber coupled to the variable orifice in order to vary the... | 04/09/1985 |
| 4507801 | Protective garment A light, conforming protective garment for athletes made of a stretch material with pockets over the areas to be protected. Pads are formed to fit the wearer, inserted into the pockets, and are held closely in place by the stretch material.... | 04/02/1985 |
| 4503748 | Chord display device for fretted string instrument A device to display musical chords and notes for fretted string instruments comprising (a) top sheet having a plurality of transparent patterns representing the strings and frets on the fingerboard of the instrument, (b) pivot located at a central point o... | 03/12/1985 |
| 4495795 | Permeameter An improved sample holder for permeable materials, especially useful in permeameters. The sample holder contains the sample within a pliant sleeve. The sleeve is itself constained within a constrictor. When pressed into a seat, the constrictor reduces in ... | 01/29/1985 |
| 4495646 | On-line character recognition using closed-loop detector An on-line handwritten character recognition system utilizing a novel "closed-loop" type detector. The detector senses the direction of movement of the writing element across the writing surface, and is constrained in generation of strings of directions t... | 01/22/1985 |
| 4478018 | Thermal break exterior insulated wall framing system A wall framing system using thermal-break studs comprising two half-studs located on opposite sides of insulating material, and top and bottom channels into which the insulating material is inserted, and to which the half-studs are fastened. The half-stud... | 10/23/1984 |
| 4387700 | Woodstove having exhaust flow compensation and a method for providing same A stove having automatic chimney air flow compensation for reductions in air flow to its combustion chamber is disclosed. An increase or decrease in compensatory air flow is dependent upon the movement of ganged dampers. The amount of compensatory chimney... | 06/14/1983 |
