Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Electronic sensor pen D316253 Electronic sensor pen Patent Drawings: Inventor: Riddiford, et al. Date Issued: April 16, 1991 Application: 07/210,107 Filed: June 22, 1988 Inventors: Frazer; Stephen O. (London, GB2) Riddiford; Martin P. (London, GB2) Sharkey; Seamus A. (London, GB2) Assignee: Primary Examiner: Burke; Wallace R. Assistant Examiner: Nunn; Freda S. Attorney Or Agent: Darby & Darby U.S. Class: D14/411 Field Of Search: D14/100; D14/101; D14/107; D14/114; D14/116; D19/35; D19/36; D19/41; D19/42; D19/43; D19/44; D19/45; D19/46; D19/47; D19/48; D19/49; D19/50; D19/51; 235/382; 235/441; 235/449; 235/454; 235/482; 250/239; 250/566; 250/568; 250/569; 178/18; 178/19; 364/708; 364/709; 340/706; 340/707 International Class: U.S Patent Documents: D143052; D236271; D269445; D275956; 3937558; 4034155 Foreign Patent Documents: Other References: Abstract: Claim: The ornamental design for an electronic sensor pen, as shown and described. Description: FIG. 1 is a top plan view of the electronic sensor pen showing our new design; FIG. 2 is a front elevational view thereof; FIG. 3 is a bottom plan view thereof; FIG. 4 is a right side elevational view thereof, the left side being a mirror image; FIG. 5 is a rear elevational view thereof. * * * * *       Recently Added Patents Shoe upper Automated electrolyte addition for salt water pools, spas, and water features Mounting apparatus with three through holes System and method for providing a dynamic user interface for a dense three-dimensional scene Quantum source coding apparatus and quantum information communication system Encryption/decryption system for calculating effective lower bits of a parameter for Montgomery modular multiplication Mobile communication system, mobile station and diversity handover branch control method   Randomly Featured Patents Method and apparatus for implementing DC mode selection in a data access arrangement Progressive addition lenses with an additional zone Web tensioning control system Method and apparatus for building up beaches and protecting shorelines Switching device Vehicle sensitive inertia lockout Enhanced differential current switch compensating upshift circuit Aqueous dispersion of glass fibers and method and composition for producing same Arrangement for the lengthwise adjustment of a ski binding part Ultraviolet and infrared focal place array © 2006-2008 PatentGenius. All Rights Reserved.