|
The ornamental design for an electronic detection unit for an educational instrument, substantially as shown. |
FIG. 1 is a top plan view of an electronic detection unit for an educational instrument illustrating my new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a front elevational view thereof; and
FIG. 6 is a back elevational view thereof.
Patent | Priority | Assignee | Title |
D317463, | Dec 22 1987 | Price Stern Sloan Inc. | Electronic test sensor unit |
D317941, | Jan 09 1990 | Elitech Information Systems Corp. | Laser-beam pointer |
D319824, | Feb 06 1987 | Price/Stern/Sloan Publishers, Inc. | Portable optical scanner |
D320981, | Nov 16 1989 | Soricon Corporation | Hand held scanner |
D321180, | Nov 16 1989 | Soricon Corporation | Hand held scanner |
D329059, | Jun 22 1989 | Imatronic Limited | Laser pointer |
D332965, | Aug 28 1990 | Pacific Electric Wire & Cable Co., Ltd. | Laser pointer |
D349490, | Nov 13 1991 | APT, INC | Cursor controlling pen |
D349491, | Apr 06 1992 | COPPER, JACK | Handheld input device for computers |
D351151, | Nov 06 1992 | Bio Medic Data Systems, Inc. | Portable interrogator |
D352939, | Oct 07 1993 | PSC, Inc.; PSC, INC | Optical scanner |
D359040, | Mar 12 1993 | NIPPONDENSO CO , LTD | Housing for an optical data reader |
D404075, | Jan 11 1996 | AP6 CO , LTD ; NIPPON CONLUX CO , LTD | Bill validator |
D487746, | May 19 2003 | Readia, LLC | Device with digital capability for coincident media authoring and playback |
Patent | Priority | Assignee | Title |
4467196, | Jun 29 1982 | International Business Machines Corporation | Single fiber optic wand system |
197178, | |||
240606, | |||
D275956, | May 19 1982 | Symbol Technologies, Inc | Housing for portable data entry terminal |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 07 1984 | SLOAN, LAWRENCE L | PRICE STERN SLOAN PUBLISHERS, INC , A CORP OF CA | ASSIGNMENT OF ASSIGNORS INTEREST | 004245 | /0196 | |
Mar 29 1984 | Price/Stern/Sloan/Publishers, Inc. | (assignment on the face of the patent) | / |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |