1
John R Barron, Leo Ohanesian: Releasable fastening structure for trial golf club shafts and heads. Keith S Bergman, March 3, 1998: US05722901 (95 worldwide citation)

A releasable fastening structure for quick assemblage and disassemblage of golf clubs and shafts for trial purposes provides club heads with hosels carrying diametrically extending fastening pins to interconnect with cooperating shafts defining fastenably interconnecting channels. The head end porti ...


2
Jan G Koal: Polymer piezoelectric sensor of animal foot pressure. Keith S Bergman, February 12, 1985: US04499394 (78 worldwide citation)

A sensor structure for attachment to the foot of an animal to continuously measure the pressure of the foot against a reactive surface. The sensor structure provides a small flat particularly configured piece of piezoelectric plastic, encapsulated to protect it and interconnected electrically with t ...


3
David L Hatrock: Fastener for battery connector. Keith S Bergman, January 8, 1991: US04983086 (68 worldwide citation)

A manually manipulatable nut and bolt fastener for a battery terminal clamp provides an nut configured to engage one of the fingers of a typical bifurcated battery terminal clamp and a bolt engaging the other finger to move the fingers relatively responsive to nut-bolt motion. The nut-bolt combinati ...


4
Walter R Friberg: Cementuous fiber impregnated construction composition and process for formation thereof. Keith S Bergman, January 24, 1989: US04799961 (66 worldwide citation)

A construction composition comprising an alkalin earth oxide, such as calcium oxide, a siliceous material having a high surface area to volume ratio such as diatomite, cement, fiber and other additive constituents is disclosed. The material may be formed in place or preferably pressure molded to pre ...


5
Edward W Thompson: Index tab clip for sheet material. Keith S Bergman, May 24, 1983: US04384417 (66 worldwide citation)

An index tab and associated clip for releasable positioning about the periphery of sheet material. The tab provides a folded sheet-like body portion to releasably accept a retentently deformable paper clip to position the device about the periphery of a sheet-like element with the tab portion protru ...


6
Charles L Tilton, Donald E Tilton, Bruce A Smetana: Packaging and cooling system for power semi-conductor. Keith S Bergman, February 17, 1998: US05719444 (51 worldwide citation)

A packaging and cooling system for one or more semi-conductor devices provides a casement defining a die chamber carrying a peripherally positioned power board with pre-attached multi-functional power pins communicating to medially positioned dies. The power pins provide not only improved power supp ...


7
Floyd F Curtis: Double bladed combination scraper. Keith S Bergman, February 9, 1988: US04723609 (47 worldwide citation)

A scraper for use with a two point bucket hitch of a tractor. The scraper provides a resiliently deformable blade depending below a rigid blade so that the deformable blade might be independently used by regulating blade height above a surface. The scraper has a primary medial blade member with pivo ...


8
Delena K Bishop, Janet Vetaly: Collapsible container for housing and carriage of pets. Keith S Bergman, January 7, 1992: US05078096 (43 worldwide citation)

A somewhat curvilinear, four-sided pyramidal container is disclosed for housing and carriage of small household pets. The container provides a flexible fabric cover which defines optionally coverable mesh windows and an optionally coverable openable access door structure. The container carries a rig ...


9
Catherine Helton, Tim Wright: Collapsible paperboard pallet. Keith S Bergman, October 24, 1989: US04875419 (39 worldwide citation)

A pallet is disclosed that is formed completely of paperboard to foldably move from a collapsed to an erected mode. The pallet provides planar upper and lower surfaces with a plurality of tabs defined in each surface to extend inwardly to communicate with similar cooperating tabs from the opposite s ...


10
Douglas Jones: Detached collimator apparatus for radiation therapy. Keith S Bergman, November 14, 1989: US04880985 (37 worldwide citation)

A collimator apparatus is disclosed for directing a high energy electron beam from an accelerator through an exit aperture and through a spaced and non-connected collimator tube in juxtaposition with a target area in a patient. The collimator tube is adjustably positioned and positionally maintained ...



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