61
Alexander Jr Delbert S: Automatic electric baseball game. Small Business Administration, Hofgren Wegner Allen Stellman & McCord, February 5, 1974: US3790170 (16 worldwide citation)

A baseball game apparatus includes a defensive control unit with pitch selection switches manually controlled by a player serving as pitcher, and an offensive control unit with pitch anticipation switches on which a player serving as batter selects and swings at or passes an anticipated pitch. A mix ...


62
Wubbe Leo J: Arm mounted windshield washer jet. The Anderson Company, Hofgren Wegner Allen Stellman & McCord, August 6, 1974: US3827101 (16 worldwide citation)

A windshield washer jet mountable to the arm of a windshield wiper assembly has a distribution chamber connectable with a fluid reservoir by means of a hose running along the length of the arm and pairs of jet outlet passageways extending outwardly from the distribution chamber for directing a strea ...


63
Wagner Richard C: Shingling apparatus for food items. Hofgren Wegner Allen Stellman & McCord, March 11, 1975: US3870139 (15 worldwide citation)

Apparatus for shingling stackable items and particularly food items such as frozen food patties in spaced successive groups of a predetermined plurality of items in each group arranged in edge overlap for easy processing such as pick-up in vertical stacks. The apparatus supplies the items in at leas ...


64
Kistler Walter P: Piezoelectric pressure transducer. Sundstrand Data Control, Hofgren Wegner Allen Stellman & McCord, April 2, 1974: US3801838 (15 worldwide citation)

A piezoelectric pressure transducer particularly adapted for measuring fluid pressure up to and above ballistics levels of the order of 75,000 pounds per square inch with an accurate, linear response over a wide pressure range. The piezoelectric sensing element is housed in a cylindrical sleeve whic ...


65
Shida Mitsuzo, Pullukat Thomas J, Hoff Raymond E: Catalyst for and method of preparing ultra high molecular weight polyolefins. Chemplex Company, Hofgren Wegner Allen Stellman & McCord, May 6, 1975: US3882096 (15 worldwide citation)

A catalyst active for polymerizing ethylene to an ultra high molecular weight (UHMW) polymer prepared by forming a hydrogel mixture of a porous support of silica, alumina, zirconia, thoria or mixtures thereof, about 1-200 weight percent of water and chromium oxide in an amount to give about 0.1-50 w ...


66
Vincent James H: Multiple-piece wing sections for cultivator and oscillation preventing device for same. Royal, Hofgren Wegner Allen Stellman & McCord, April 29, 1975: US3880241 (15 worldwide citation)

An improved farm implement of the foldable, sectional tow type including a central section, including a wheeled cart and wing sections hingedly connected to the central section. Each of the wing sections is comprised of a plurality of hingedly connected frames to allow good ground coverage on abrupt ...


67
Nolan John L: Intrauterine contraceptive device and inserter therefor. Hofgren Wegner Allen Stellman & McCord, October 22, 1974: US3842826 (15 worldwide citation)

An assembly of a resiliently collapsible intrauterine contraceptive device (IUD) and a disposable inserter for positioning the device in the uterus of a patient, including a flexible plastic tube for holding the IUD in relaxed expanded condition before use and for holding the IUD in collapsed linear ...


68
Schnitzer David H, Absler Howard K: Combination record and envelope assembly with severable receipt. Uarco Incorporated, Hofgren Wegner Allen Stellman & McCord, February 5, 1974: US3790070 (14 worldwide citation)

A combination record, envelope and severable receipt structure defined by four sheets of paper or the like and for use in operations such as banking operations wherein a deposit or the like may be inserted in and sealed within the envelope with the record sheet remaining with the envelope to record ...


69
Baker Sr George H: Drapery support. Baker Drapery Corporation, Hofgren Wegner Allen Stellman & McCord, June 25, 1974: US3818543 (14 worldwide citation)

A traverse support fixture for draperies or the like which establishes and maintains the drapery folds and by which a drapery can be moved between open and closed positions, without the need for sewn pleats, special hooks or the like. A plurality of drapery folding plates, different numbers of which ...


70
Nahr Helmar: Method of making a composite body consisting of at least two component parts such as profiles. Hofgren Wegner Allen Stellman & McCord, February 11, 1975: US3865914 (14 worldwide citation)

A window or door frame assembly having formed elements, extrusions, profiles or the like held together by joining insulating pieces interfitting and connecting the formed elements, the whole assembly containing a foamed filling compound serving functions of insulating, stiffening, holding, expanding ...