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The ornamental design for a trackball, as shown and described. |
FIG. 1 is a top plan view of a trackball showing our new design;
FIG. 2 is an end elevational view of one end;
FIG. 3 is an end elevational view of the other end;
FIG. 4 is a bottom plan view;
FIG. 5 is a side elevational view of one side; and
FIG. 6 is a side elevational view of the other side.
Kim, Syng N., Burnstein, Philip J.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Oct 24 1984 | BURNSTEIN, PHILIP J | Wico Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 004336 | /0141 | |
Oct 24 1984 | KIM, SYNG N | Wico Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 004336 | /0141 | |
Nov 16 1984 | Wico Distribution Company, L.P. | (assignment on the face of the patent) | / | |||
Jul 11 1986 | WICO DISTRIBUTION COMPANY, L P , A DELAWARE LIMITED PARTNERSHIP BY WICO HOLDING CORP , GENERAL PARTNER | J HENRY SCHRODER BANK & TRUST COMPANY, A NY CORP | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 004599 | /0762 | |
Jul 11 1986 | WICO CORPORATION, AN IL CORP | WICO DISTRIBUTION COMPANY, L P , 6400 WEST GROSS POINT ROAD, NILES, ILLINOIS 60648 | ASSIGNMENT OF ASSIGNORS INTEREST | 004608 | /0125 | |
Jun 14 1989 | WICO DISTRIBUTION CORP , A CORP OF DE | NATIONAL WESTMINSTER BANK USA | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 005216 | /0295 | |
Oct 20 1995 | Wico Corporation | SANWA BUSINESS CREDIT CORPORATION | PATENT,TRADEMARK AND LICENSE MORTGAGE | 007541 | /0517 |
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