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The ornamental design for operation and control unit for a computer, as shown. |
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FIG. 1 is a front, top and right side perspective view of an operation and control unit for a computer showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a rear elevational view thereof; and
FIG. 7 is a bottom plan view thereof.
Sakai, Masayuki, Hara, Masaki, Katoh, Naoto
| Patent | Priority | Assignee | Title |
| Patent | Priority | Assignee | Title |
| D282664, | Sep 03 1982 | Tokyo Shibaura Denki Kabushiki Kaisha | Microprocessor |
| D284664, | Sep 07 1983 | International Business Machines Corporation | Personal Computer |
| D289056, | Jun 15 1984 | International Business Machines Corporation | Personal computer |
| D293443, | Sep 07 1983 | International Business Machines Corporation | Personal computer with diskette drive |
| D295043, | Feb 25 1985 | Mitsubishi Denki Kabushiki Kaisha | Microprocessor |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| May 11 1987 | HARA, MASAKI | Mitsubishi Denki Kabushiki Kaisha | ASSIGNMENT OF ASSIGNORS INTEREST | 005211 | /0565 | |
| May 11 1987 | SAKAI, MASAYUKI | Mitsubishi Denki Kabushiki Kaisha | ASSIGNMENT OF ASSIGNORS INTEREST | 005211 | /0565 | |
| May 11 1987 | KATOH, NAOTO | Mitsubishi Denki Kabushiki Kaisha | ASSIGNMENT OF ASSIGNORS INTEREST | 005211 | /0565 | |
| May 21 1987 | Mitsubishi Denki Kabushiki Kaisha | (assignment on the face of the patent) | / |
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