Inventor
PRUSAK JOHN J
US22 patents
Patents
22 patentsUS4463849AAug 7, 1984
Video disc caddy
RCA CORP76 citations94
US4316281AFeb 16, 1982
Spacer for stacked recorded discs
RCA CORP34 citations92
US4503806AMar 12, 1985
Lubricant detector and measuring device
RCA CORP40 citations90
US4341613AJul 27, 1982
Apparatus for electroforming
RCA CORP30 citations86
US4385978AMay 31, 1983
Cathode head
RCA CORP20 citations82
US4522659AJun 11, 1985
Method and apparatus for the manufacture of record stampers
RCA CORP12 citations73
US4479853AOct 30, 1984
Method for the manufacture of record stampers
RCA CORP7 citations73
US4475966AOct 9, 1984
Method and apparatus for manufacturing video disc caddy
RCA CORP8 citations73
US4470795ASep 11, 1984
Apparatus for manufacturing a disc record package
RCA CORP11 citations73
US4465453AAug 14, 1984
Apparatus for manufacturing disc record package
RCA CORP16 citations73
US4516301AMay 14, 1985
Method and apparatus for removing flash from a molded recorded disc
RCA CORP9 citations71
US4512455AApr 23, 1985
Disc turnover device
RCA CORP7 citations71
US4327830AMay 4, 1982
Record stamper protector
RCA CORP18 citations71
US4534844AAug 13, 1985
Electroforming apparatus
RCA CORP4 citations62
US4435922AMar 13, 1984
Apparatus for grinding the back surfaces of record molding stampers
RCA CORP3 citations62
US4402660ASep 6, 1983
Apparatus for producing disc records with a molded-in center hole
RCA CORP5 citations62
US4400245AAug 23, 1983
Matrixing process for the manufacture of molded records
RCA CORP2 citations62
US4362492ADec 7, 1982
Apparatus for compression molding recorded discs
RCA CORP4 citations62
US4309265AJan 5, 1982
Cathode mask knob
RCA CORP5 citations62
US4478566AOct 23, 1984
Apparatus for injection molding an article
RCA CORP4 citations60
US4414167ANov 8, 1983
Method for molding an article
RCA CORP6 citations60
US4436603AMar 13, 1984
Apparatus for separating a replica from a matrix
RCA CORP0 citations39