1
Robert L Kaster: Method of implanting a prosthetic device and suturing member therefor. Burd Braddock & Bartz, December 14, 1976: US03996623 (119 worldwide citation)

An annular sewing member mounted on the base of a heart valve and attached to heart tissue with sutures. The sewing member has spaced outwardly directed flanges connected with a body forming a central annular outwardly open groove adapted to accommodate heart tissue after the natural heart valve has ...


2
Robert J Debrey: Particle monitoring apparatus. Burd Braddock & Bartz, November 2, 1976: US03989311 (105 worldwide citation)

A particle monitoring apparatus having a particle sensing unit which receives mechanical signals caused by impaction of particles on a sensor and transforms the mechanical signals to an electrical signal related to the amount of particles moving with a fluid, as air. The output signal is used to pro ...


3
Robert J De brey: Particle monitor. Burd Braddock & Bartz, November 27, 1979: US04175892 (101 worldwide citation)

A particle monitoring device located in a line carrying a moving fluid, as air, containing particles. The device has a particle sensing member providing audio signals that are in proportion to the amount of particles moving with the fluid. The sensing member is a flexible sheet member closing an ope ...


4
George M Herberg: Energy storage system. Burd Braddock & Bartz, December 14, 1976: US03996741 (89 worldwide citation)

A system and apparatus for the storage of energy generated by natural elements. Energy from natural elements such as from the sun, wind, tide, waves, and the like, is converted into potential energy in the form of air under pressure which is stored in a large, subterranean cell. Machines of known ty ...


5
Gordon E Bartlett, Michael D Roach: Golf greens mower. Burd Braddock & Bartz, May 10, 1977: US04021996 (69 worldwide citation)

A precision grass mower of the triplex reel type operating from a common tractor-type power source, each mower unit having an adjustable ground engaging roller for cutting golf greens at a precisely predetermined height. Each of the reels of the mower is provided with manually actuated, automaticall ...


6
Marvin E Nerem, Roger W Denney: Step assembly for vehicle. Burd Braddock & Bartz, September 26, 1978: US04116457 (68 worldwide citation)

A power operated step assembly providing an auxiliary step adjacent the doorway of a vehicle. A box frame is secured to vehicle support structure below a doorway open to the interior of the vehicle. A step unit is movably connected to the box frame with two pair of parallel links. A transverse rod m ...


7
Timothy N Thill: Sectional door and guard rail assembly. Winnebago, Burd Braddock & Bartz, March 2, 1976: US03941180 (58 worldwide citation)

A sectional door such as a garage door of the type having a plurality of hingedly connected panels adapted to be pivoted relative to one another generally about interior edges of facing lateral ends during opening and closure of the door. One of each pair of facing ends of the panels is equipped wit ...


8
Richard M Condie: Preparation of intravenous human and animal gamma globulins and isolation of albumin. The Regents of the University of Minnesota, Burd Braddock & Bartz, January 23, 1979: US04136094 (51 worldwide citation)

A method of isolating and purifying natural, unaltered, undenatured immune gamma globulin (IgG) for intravenous administration and albumin from animal blood plasma, especially human, and the resulting products. The method involves the initial stabilization of plasma by treatment with silica, or the ...


9
Dale J Herron: Process for solid phase polymerization of polyester. Bepex Corporation, Burd Braddock & Bartz, July 17, 1979: US04161578 (50 worldwide citation)

A process for the continuous production of high molecular weight polyethylene terephthalate wherein the granular polymer having an intrinsic viscosity of at least 0.4 is crystallized, dried and polymerized in the solid phase by polycondensation. Two methods of crystallization are described which aid ...


10
Jerome E Schaeffer: Propulsion means for wheelchairs. Burd Braddock & Bartz, November 30, 1976: US03994509 (48 worldwide citation)

A propulsion means for wheelchairs includes two drive assemblies, one mounted at each side of a wheelchair. Each drive assembly includes an axle which is rotationally oscillated by pumping a drive lever pivotally mounted on and engaged with said axle. Two overrunning clutches are also mounted on sai ...



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