Stevens Guy William W: Focus control for optical instruments. Eastman Kodak Company, March 14, 1972: US3648587 (544 worldwide citation)

A method and apparatus particularly for making minute and very accurate images such as the negatives which are printed on photoresists in the production of microelectronic circuits. The method and apparatus employ an objective lens assembly adapted to be positioned in close proximity to a photograph ...

Wheeler Larry M: Medical-surgical dressing for burns and the like. Parke Davis & Company, March 14, 1972: US3648692 (530 worldwide citation)

A medical-surgical dressing is provided for topical application as a conforming cover for the therapy and protection of burns and the like. The dressing which has a porous laminated construction includes a facing layer of thrombogenic open-cell foam material and a coextensive gas-permeable backing. ...

Lumb William V, Brasmer Timothy H: Method of applying vertebral appliance. Colorado State University Research Foundation, March 14, 1972: US3648691 (406 worldwide citation)

A method of applying a vertebral appliance for use in bridging one or more diseased or damaged vertebra that comprises a pair of elongate flexible multiapertured together with fasteners used to clamp same on opposite sides of the spinous processes thus spanned. Each strap is of a length adapted to s ...

Lary Banning G: Retention bar means for surgical incision closure. March 14, 1972: US3648705 (148 worldwide citation)

For use in retaining a surgical incision against inadvertent rupture or disruption, a pair of retention bar elements which provides reinforcing means for the retention thread loops of an incision closure and provides means for reducing flesh tearing and necrosis at the thread loop penetrations of th ...

Otto Ferdinand P: Liquid hydrocarbon fuels containing high molecular weight mannich bases. Mobil Oil Corporation, March 14, 1972: US3649229 (116 worldwide citation)

Reaction products obtained from high molecular weight alkyl-substituted hydroxyaromatic compounds, amines and aldehydes are detergency improvers for liquid hydrocarbon fuels.

Shahrestani Esfandiar: Endoprostheses, especially for hip joints. March 14, 1972: US3648294 (114 worldwide citation)

Disclosed are endoprostheses which include a piston forming a joint head and mounted on a bone and a cylinder for receiving the piston and mounted in the mating bone. The cylinder is divided into two sections, the section for receiving the piston contains a liquid, advantageously in bellows, which l ...

Barnwell Cleora W, Fogarty Linda J: Device for the direct transfer of blood from a human to culture bottles. March 14, 1972: US3648684 (104 worldwide citation)

A device for use with a conventional vacuum adapted with insertion needle for the direct transfer of blood, usually in small quantities, from a human being to a plurality of vacuumized culture bottles with one insertion of the needle into the patient's vein. The device is especially adapted for the ...

Jackson Frederick E: Disposable catheter apparatus. March 14, 1972: US3648704 (103 worldwide citation)

A urethral catheter tube formed of a flexible low-friction plastic is carried in a transparent plastic casing one end of which is flattened and severably joined to a plastic cap member. The other end of the casing is closed to form a reservoir. The cap member is a closed vessel containing a lubrican ...

Gibson J James: Apparatus permitting reliable selection of transmitted television message information. RCA Corporation, March 14, 1972: US3649749 (98 worldwide citation)

A digital countdown circuit is synchronized by a 'flag' signal transmitted every other television field to permit reliable selection of a predetermined television frame line in a system transmitting auxiliary television message information. The 'flag' signal can be unreliable in the sense that the c ...

Chu Victor F H, Cohen Abraham B: Process for forming images by photohardening and applying a colorant. E I du Pont de Nemours and Company, March 14, 1972: US3649268 (84 worldwide citation)

An image reproduction process in which an element having a removable support and a photohardenable layer is (1) laminated to a suitable receptor, (2) imagewise exposed through the support to actinic radiation which selectively raises the stick temperature of those areas receiving the radiation, (3) ...