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John J Berky Deceased724 Weston Rd UNIT P4, Hot Springs, AR 71913

John Berky Phones & Addresses

274 Weston Rd #4, Hot Springs National Park, AR 71913   

724 Weston Rd, Hot Springs National Park, AR 71913   

724 Weston Rd #P-4, Hot Springs National Park, AR 71913   

Hot Springs, AR   

710 W Oak Ave, Jonesboro, AR 72401    870-9726251   

Little Rock, AR   

724 Weston Rd APT P4, Hot Springs, AR 71913   

Mentions for John J Berky

Publications & IP owners

Us Patents

Laboratory Apparatus For Cloning Mammalian Cells

US Patent:
4247646, Jan 27, 1981
Filed:
Sep 12, 1978
Appl. No.:
5/941666
Inventors:
John J. Berky - Little Rock AR
John Hunziker - Pine Bluff AR
Laurence A. Zolotor - Little Rock AR
Assignee:
The United States of America as represented by the Department of Health,
Education and Welfare - Washington DC
International Classification:
C12M 300
C12M 100
US Classification:
435284
Abstract:
Laboratory apparatus for cloning mammalian cells includes a support plate and a plurality of tubular cylinders fixedly secured within the plate and projecting from one face thereof. All of the cylinders, with the exception of one pair, are disposed within a concentrated array defined within a predetermined sector region of the plate, the remaining pair of cylinders being located remote from the sector array yet equidistantly spaced from each other and from the sector array so as to complete the distribution pattern. A substantially C-shaped ring member is fixedly secured to, or integrally formed with, the opposite face of the support plate, in order to facilitate maneuverability of the assemblage when placing the same onto a Petri dish for isolating the colonies developing thereon. The plate and ring member are fabricated from transparent polycarbonate in order to permit the colonies to be identified or viewed by background lighting techniques. The distal ends of the isolating cylinders are also sharply beveled in order to cut into or penetrate the Petri dish so as to sealingly isolate the colonies.

Isbn (Books And Publications)

Short Term In Vitro Testing For Carcinogenesis, Mutagenesis, And Toxicity: Collected Proceedings Of The First And Second Working Conferences Of Toxicity Testing In Vitro, 1975/1976

Author:
John James Berky
ISBN #:
0891680128

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