Inventor

LOGAN DAVID J

61 patents

⚠️ This page may combine multiple inventors who share the name “LOGAN DAVID J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LOGAN DAVID J

GERBER SCIENT PRODUCTS INC

Method and apparatus for making prescription eyeglass lenses

Automated sign generator

Apparatus for making a graphic product

Method and apparatus for making a graphic product

Sign making web with dry adhesive layer and method of using the same

Automatic weeding system and method of use

Sign making web with dry adhesive layer

Web loading and feeding system, related web construction and method and apparatus for making web

Apparatus and method for automatic layout of sign text

Method and apparatus for automatically spacing characters during composition

Method for making die boards, and materials and apparatus for practicing the method

Printing apparatus with pressure regulation

Sign making web with tack killing overcoat removable by washing and related method

Web loading and feeding system

Blank for use in a lens pattern generator

Automated measuring scale

Apparatus for tracing the lens opening in an eyeglass frame

Automatic weeding system and method of use

Sign making web with tack killing overcoat removable by washing and related method

Calligraphy machine and related method of operation

Web loading and feeding system

Method and apparatus for making a pattern for a lens opening in an eyeglass frame

Method for making die boards and materials and apparatus for practicing the method

GERBER OPTICAL INC

Method and apparatus for edging an optical lens

Optical lens or lap blank surfacing machine, related method and cutting tool for use therewith

Apparatus for making ophthalmic lenses by vacuum lamination

Ophthalmic lens wafers and receiver for registering such wafers

Optical lens pattern making system and method

Blanks for making prescription eyeglass lenses

Lap blank for use in optical lens making

GERBER COBURN OPTICAL INC

Apparatus for making ophthalmic lenses by vacuum lamination

Method for making ophthalmic lenses by vacuum lamination

Apparatus for generating lens surfaces

Lap having a layer conformable to curvatures of optical surfaces on lenses and a method for finishing optical surfaces

GERBER SCIENTIFIC INSTR CO

Interactive graphic system

Method of making an overlay mask and a printing plate therefrom

Detachable indexing device and method

High accuracy plotter

METROMEDIA INC

Ink jet printing randomizing droplet placement apparatus

Ink jet printing system

Method and apparatus for improving gray scale resolution in an ink jet printing system

GULF & WESTERN CORP

Device for translating and rotating a cutting platen with respect to a reciprocal cutter

Method, system and apparatus for cutting profiles from natural leaves

Device for translating and rotating a cutting platen with respect to a reciprocal cutter

GERBER SCIENT INC

Fabric flaw related system

Apparatus for detecting limits of travel

METROMEDIA CO

Method and apparatus for controlling ink-jet color printing heads

PITNEY BOWES SOFTWARE INC

Reverse geocoding system using combined street segment and point datasets

GERBER SCIENTIFIC INT INC

Method and apparatus for making signs

KOH I NOOR RAPIDOGRAPH

Portable alphanumeric and symbol drafting device