The first commercial microwave oven was nearly 6 feet tall and weighed in at 750 pounds.
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| Number | Title | Issue Date |
| 3950548 | Ice cream and fruit confectionery product An ice cream and fruit confectionery product that is mounted on a stick. A hole is bored in edible fruit to remove at least a portion of the fruit's core. The fruit is mounted on the stick with the bored hole being disposed substantially coaxial to the st... | 04/13/1976 |
| 3950755 | Radio control for press A radio control for a press includes a radio receiver connected to actuate the press upon receipt of a predetermined radio signal, and a belt-mounted transmitter worn by the press operator. Two series-connected manually operated transmitter actuating butt... | 04/13/1976 |
| 3950112 | Fluid moving devices with modular chamber-forming means and multiple outlets A centrifugal type fluid moving device having a rotor operating in a working chamber around it, wherein the working chamber is established by a plurality of working chamber defining modules each of which defines a "section" of overall working chamber. Eac... | 04/13/1976 |
| 3948018 | Dual conveyor case packer Apparatus for packing bottles in cases wherein bottles are marshalled in two parallel lines with a case conveyor between the bottle lines. A bottle transfer mechanism straddles the bottle lines and case conveyor, the transfer mechanism having at least one... | 04/06/1976 |
| 3948466 | Pneumatic carrier send and receive terminal A pneumatic carrier terminal in a preferred embodiment includes a movable horizontal tray alignable with a horizontal pneumatic tube connected to the terminal. A carrier sealing ring is provided on the end of the tray and is aligned with the tube. The tra... | 04/06/1976 |
| 3948480 | Rotary ball valve A rotary ball valve includes a seat support integral with the valve body, a rotatable ball, a movable seat support, a retaining ring, and, on opposite sides of the ball, thin annular seating rings made from a material, such as tetrafluoroethylene. When th... | 04/06/1976 |
| 3945073 | Machines for punching and for closing wire binding elements A machine for punching and subsequently binding packets of sheets to book form with wire binding elements comprises a punch and a press connected to, and driven from a common operating member through a mechanical drive, the mechanical drive being so arran... | 03/23/1976 |
| 3944037 | Rail structure for a conveyor A link type rail structure for a conveyor device where the rail structure is adapted to be moved between a rigid, straight line attitude which can support weighted objects thereon, and a curved line attitude which permits the rail structure to be coiled u... | 03/16/1976 |
| 3943823 | Control system for double acting air motor A system for controlling a reciprocable double acting air motor including a pair of power valves for reversing the inlet and exhaust air to and from opposite sides of the piston in the air motor. The control apparatus includes a pair of snap opening pilot... | 03/16/1976 |
| 3942435 | Depository for receiving, imprinting and storing deposited articles of variable thickness A depository for receiving, imprinting and storing deposited articles of varying thickness including a housing having a slot in the front thereof through which articles of variable thickness are inserted, a vault also located within the housing into which... | 03/09/1976 |
| 3942626 | Channel belt conveyor A channel belt conveyor includes a bed, an elongated belt, and belt supporting flanges adjustably mounted on the bed and having lower edges spaced from the bed to form an exit passage therebetween. The belt supporting flanges are raised above the bed to s... | 03/09/1976 |
| 3941534 | Injection molding control system An injection molding control provides for the programmable control of ram velocity as a function of the position of the ram through closed-loop feed-back of the measured actual velocity. Closed-loop feed-back of the actual mold cavity pressure overrides t... | 03/02/1976 |
| 3941121 | Focusing fiber-optic needle endoscope A needle endoscope includes a hollow needle of about 18-gauge, a lens system within the needle, an image transmitting bundle of flexible fiber-optic rods within the needle, a plurality of illumination transmitting fiber-optic rods within the needle, an op... | 03/02/1976 |
| 3941316 | Apparatus for comminuting and extracting Method and apparatus for comminuting cellulosic materials such as paper and destructible constituents of trash and garbage wherein the material is supported on a flat wire screen presenting sharp, upwardly directed edges and wherein the material is subjec... | 03/02/1976 |
| 3941977 | Off-line cash dispenser and banking system A method and apparatus for automatically dispensing cash and performing other transactions relating to customer accounts. A magnetic card reader reads coded information into the system from a credit card which information identifies the account of the use... | 03/02/1976 |
| 3939987 | Solid plastic foam merchandise support An adjustable display support for soft drink bottles adjustably constructed from thick, tapered foam plastic material which may be cut to size by a saw. The foam plastic is laminated with a cover of lightweight sheet metal, plastic or any other sheet mate... | 02/24/1976 |
| 3937676 | Lubricity coating for plastic coated glass articles A lubricity coating for glass articles which have previously been coated with an ionic copolymer of an alpha olefin and an alpha, beta-ethylenically unsaturated carboxylic acid. The preferred lubricity coating comprises calcium stearate and polyvinyl alco... | 02/10/1976 |
| 3937853 | Method of making a color decorated, plastic coated glass article A glass decorating color is applied to a glass article but is not bonded permanently to the glass. A finely divided heat settable plastic material is applied to the article over the impermanently bonded color and onto glass surface areas beyond the area c... | 02/10/1976 |
| 3937854 | Method of making a thermoplastic ink decorated, polymer coated glass article A glass article is decorated with a thermoplastic ink which contains no frit. A finely divided heat fusible polymeric coating material is applied to the article over the ink. The article is heated to a temperature at which the particles of coating materia... | 02/10/1976 |
| 3936713 | Machine control circuit A circuit for analog adjustment of a machine including a programming means to generate a fixed number of discrete control voltages. Each programmed control voltage corresponds to the desired machine control voltage at a particular moment of time in the cy... | 02/03/1976 |
| 3934930 | Back support for chair A back support for a chair having a seat and a back pad. The support includes an elongated support member attached at one end to the chair seat and at its other end to the back pad. The back pad attachment includes a flexible block attached to the back pa... | 01/27/1976 |
| 3934920 | Carriage for lifting and spreading rows of articles Apparatus for lifting tightly spaced bottles from cases, spreading the rows of bottles apart and placing the bottles on a bottle conveyor having spaced lanes. The apparatus includes a carriage having a plurality of elongated manifolds, each supporting row... | 01/27/1976 |
| 3932983 | Tamper and confiner for product bucket In a cartoning machine, a series of L-shaped product buckets mounted on a chain conveyor and a series of inverted L-shaped tamper-confiner elements mounted on a conveyor chain overlying the product buckets, the tamper-confiner elements being cammed to for... | 01/20/1976 |
| 3933222 | Ladder leveler A ladder having an adjustable extension enabling it to be positioned stably on uneven ground. The extension is telescopingly mounted on the outside of one leg of the ladder, and is slidable relative to the ladder leg in the longitudinal direction. Its ran... | 01/20/1976 |
| 3933162 | Coin feeding devices Apparatus for feeding coins one at a time into a coin-operated device, comprising a disc mounted for rotation about an axis tilted from the horizontal, an entry guide arranged to drop the coins onto the disc, and pairs of protruding pins on the disc which... | 01/20/1976 |
| 3934055 | Electrostatic spray method An electrostatic spray apparatus and method for spraying electrically conductive coating materials on a continuous basis from an electrically grounded bulk coating supply. Included is a spray gun from which electrostatically charged coating material is em... | 01/20/1976 |
| 3934063 | Flame masking of glass articles for metal oxide film deposition A method of selectively applying to an accurately bounded surface area on a glass article, an abrasion resistant metal oxide film of a compound of the type which is pyrolysible on contact with a hot glass surface to form the oxide. With the article at tem... | 01/20/1976 |
| 3931827 | Method and apparatus for styling synthetic wigs This invention relates to a method and apparatus for styling synthetic wigs utilizing steam to soften the fibers and refrigeration to harden and set the fibers. A comb having steam emission openings located around the teeth of the comb applies steam to th... | 01/13/1976 |