| 4534844 |
Electroforming apparatus |
— |
1985-08-13 |
| 4522659 |
Method and apparatus for the manufacture of record stampers |
— |
1985-06-11 |
| 4516301 |
Method and apparatus for removing flash from a molded recorded disc |
Harry H. Westerman, Jr. |
1985-05-14 |
| 4512455 |
Disc turnover device |
Joseph H. Thorn |
1985-04-23 |
| 4503806 |
Lubricant detector and measuring device |
Brian E. Lock, Joseph H. Thorn |
1985-03-12 |
| 4479853 |
Method for the manufacture of record stampers |
— |
1984-10-30 |
| 4478566 |
Apparatus for injection molding an article |
Bhupendra P. Patel |
1984-10-23 |
| 4475966 |
Method and apparatus for manufacturing video disc caddy |
Robert L. Turner |
1984-10-09 |
| 4470795 |
Apparatus for manufacturing a disc record package |
— |
1984-09-11 |
| 4465453 |
Apparatus for manufacturing disc record package |
Robert L. Turner |
1984-08-14 |
| 4463849 |
Video disc caddy |
Bhupendra P. Patel |
1984-08-07 |
| 4436603 |
Apparatus for separating a replica from a matrix |
Bhupendra P. Patel |
1984-03-13 |
| 4435922 |
Apparatus for grinding the back surfaces of record molding stampers |
— |
1984-03-13 |
| 4414167 |
Method for molding an article |
Bhupendra P. Patel |
1983-11-08 |
| 4402660 |
Apparatus for producing disc records with a molded-in center hole |
— |
1983-09-06 |
| 4400245 |
Matrixing process for the manufacture of molded records |
— |
1983-08-23 |
| 4385978 |
Cathode head |
— |
1983-05-31 |
| 4362492 |
Apparatus for compression molding recorded discs |
— |
1982-12-07 |
| 4341613 |
Apparatus for electroforming |
Marshall L. Whitehurst |
1982-07-27 |
| 4327830 |
Record stamper protector |
Bhupendra P. Patel |
1982-05-04 |
| 4316281 |
Spacer for stacked recorded discs |
— |
1982-02-16 |
| 4309265 |
Cathode mask knob |
— |
1982-01-05 |