21
William J Bowerman: Athletic shoe for artificial turf with molded cleats on the sides thereof. BRS, Klarquist Sparkman Campbell Leigh Hall & Whinston, March 25, 1980: US04194310 (67 worldwide citation)

Athletic shoes with molded cleats of resilient material for use on artificial turf or other hard surfaces are disclosed including first cleats provided on the bottom of the shoe sole positioned beneath the foot of the wearer and second cleats provided on both sides of the shoe. The second cleats are ...


22
Lawrence P Raymond: Mass algal culture system. Battelle Memorial Institute, Klarquist Sparkman Campbell Leigh Hall & Whinston, March 3, 1981: US04253271 (61 worldwide citation)

An apparatus and process for the culture of algae in a liquid medium is disclosed. The medium circulates through an open trough and is exposed to an atmosphere which is temperature regulated. The nutrient content of the liquid medium is regulated to control the chemical composition growth and reprod ...


23
Richard Edward Hirschi: Induction balance metal detector with inverse discrimination. White s Electronics, Klarquist Sparkman Campbell Leigh Hall & Whinston, May 17, 1977: US04024468 (58 worldwide citation)

An induction balance metal detector is described which is capable of discriminating between different types of metal objects, such as bottle caps and coins, by amplitude discrimination of their corresponding receive signals. In addition, the detector is provided with a tuning control which is used t ...


24
Hawes Jr Roland J, Brewster Sherman H: Method and means for adding small measured quantities of selected materials to a large capacity material-mixing plant. SAID Howes by said Brewster, Klarquist Sparkman Campbell Leigh Hall & Whinston, July 2, 1974: US3822056 (58 worldwide citation)

Small, measured amounts of concentrated liquid and dry flowable microingredients, such as vitamins, minerals, antibiotics and hormones, are stored and metered separately but delivered simultaneously to the large-capacity batch mixer of a commercial feed mill. Here the microingredients are added to l ...


25
Bowerman William J: Athletic shoe for artificial turf. BRS, Klarquist Sparkman Campbell Leigh Hall & Whinston, February 26, 1974: US3793750 (55 worldwide citation)

An athletic shoe suitable for use on artificial turf is described including an improved upper of a porous multiple layer construction and an improved sole having integral polygon shaped studs. The upper is preferably made of nylon tricot fabric outer layer, a polyurethane foam middle layer, and a po ...


26
Milton H Mater, Robert E Torley: Wind powered generating systems. Milton H Mater, Klarquist Sparkman Campbell Leigh Hall & Whinston, August 2, 1977: US04039849 (52 worldwide citation)

An electric battery powered automobile has a wind driven rotor device driving a generator to furnish supplementary power to batteries of the electrical power system of the automobile. The rotor device includes a power rotor having a pair of curved blades forming an overlapping, S configuration, and ...


27
William J Bowerman, Stanley L James, Dennis E Vixie: Athletic shoe having laterally elongated metatarsal cleat. BRS, Klarquist Sparkman Campbell Leigh Hall & Whinston, August 22, 1978: US04107858 (49 worldwide citation)

An athletic shoe is described with an outer sole having a laterally elongated matetarsal cleat of resilient material molded integral with such outer sole. The metatarsal cleat extends laterally across the entire width of the toe portion of the sole in a position immediately behind the heads of the m ...


28
John H Beales: Quick-release coupler. J H Beales Steel Fabricators, Klarquist Sparkman Campbell Leigh Hall & Whinston, July 29, 1980: US04214840 (48 worldwide citation)

A coupler for removably coupling a tool attachment at an end of a supporting arm of a powered digging or material-moving machine. The coupler includes a latch which permits quick interchanging of tool attachments on the arm. One embodiment provides a means for remotely disengaging the latch so that ...


29
George Calvin Payne: Sampling metal detector. White s Electronics, Klarquist Sparkman Campbell Leigh Hall & Whinston, June 14, 1977: US04030026 (47 worldwide citation)

A sampling type of metal detector is described in which an oscillator transmits an oscillator signal current through the transmit coil of the detector to produce an electromagnetic field in the region of a search head. A received signal is induced in the receive coil of the detector when a metal obj ...


30
James T Russell: Compression and expansion circuitry for a recording and playback system. Eli S Jacobs, Klarquist Sparkman Campbell Leigh Hall & Whinston, September 23, 1980: US04224481 (43 worldwide citation)

Recording and playback optical scanners are relatively movable with respect to each other and with respect to a movable recording medium such as reel of tape adapted for recording variations in applied light. The playback scanner reproduces recorded information at a time delayed with respect to the ...