John J. Prusak

Person

  • Pike Township, Marion County, IN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Electroforming apparatus

    • Patent number 4,534,844
    • Issue date Aug 13, 1985
    • RCA Corporation
    • John J. Prusak
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Method and apparatus for the manufacture of record stampers

    • Patent number 4,522,659
    • Issue date Jun 11, 1985
    • RCA Corporation
    • John J. Prusak
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Method and apparatus for removing flash from a molded recorded disc

    • Patent number 4,516,301
    • Issue date May 14, 1985
    • RCA Corporation
    • Harry H. Westerman
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Disc turnover device

    • Patent number 4,512,455
    • Issue date Apr 23, 1985
    • RCA Corporation
    • Joseph H. Thorn
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Lubricant detector and measuring device

    • Patent number 4,503,806
    • Issue date Mar 12, 1985
    • RCA Corporation
    • John J. Prusak
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method for the manufacture of record stampers

    • Patent number 4,479,853
    • Issue date Oct 30, 1984
    • RCA Corporation
    • John J. Prusak
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Apparatus for injection molding an article

    • Patent number 4,478,566
    • Issue date Oct 23, 1984
    • RCA Corporation
    • John J. Prusak
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method and apparatus for manufacturing video disc caddy

    • Patent number 4,475,966
    • Issue date Oct 9, 1984
    • RCA Corporation
    • Robert L. Turner
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus for manufacturing a disc record package

    • Patent number 4,470,795
    • Issue date Sep 11, 1984
    • RCA Corporation
    • John J. Prusak
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus for manufacturing disc record package

    • Patent number 4,465,453
    • Issue date Aug 14, 1984
    • RCA Corporation
    • Robert L. Turner
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Video disc caddy

    • Patent number 4,463,849
    • Issue date Aug 7, 1984
    • RCA Corporation
    • John J. Prusak
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Apparatus for grinding the back surfaces of record molding stampers

    • Patent number 4,435,922
    • Issue date Mar 13, 1984
    • RCA Corporation
    • John J. Prusak
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Apparatus for separating a replica from a matrix

    • Patent number 4,436,603
    • Issue date Mar 13, 1984
    • RCA Corporation
    • John J. Prusak
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Method for molding an article

    • Patent number 4,414,167
    • Issue date Nov 8, 1983
    • RCA Corporation
    • John J. Prusak
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus for producing disc records with a molded-in center hole

    • Patent number 4,402,660
    • Issue date Sep 6, 1983
    • RCA Corporation
    • John J. Prusak
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Matrixing process for the manufacture of molded records

    • Patent number 4,400,245
    • Issue date Aug 23, 1983
    • RCA Corporation
    • John J. Prusak
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Cathode head

    • Patent number 4,385,978
    • Issue date May 31, 1983
    • RCA Corporation
    • John J. Prusak
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Apparatus for compression molding recorded discs

    • Patent number 4,362,492
    • Issue date Dec 7, 1982
    • RCA Corporation
    • John J. Prusak
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus for electroforming

    • Patent number 4,341,613
    • Issue date Jul 27, 1982
    • RCA Corporation
    • John J. Prusak
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Record stamper protector

    • Patent number 4,327,830
    • Issue date May 4, 1982
    • RCA Corporation
    • Bhupendra P. Patel
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Spacer for stacked recorded discs

    • Patent number 4,316,281
    • Issue date Feb 16, 1982
    • RCA Corporation
    • John J. Prusak
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Cathode mask knob

    • Patent number 4,309,265
    • Issue date Jan 5, 1982
    • RCA Corporation
    • John J. Prusak
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR