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MARSHALL FORREST A

Overview
  • Total Patents
    23
About

MARSHALL FORREST A has a total of 23 patent applications. Its first patent ever was published in 1990. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets optics, medical technology and electrical machinery and energy are MAMAEV GENNADIJ VIKTOROVICH, VOLK DONALD A and BLOOM & KRETEN.

Patent filings per year

Chart showing MARSHALL FORREST As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Marshall Forrest A 23
#2 Cross David C 1

Latest patents

Publication Filing date Title
US2006158891A1 Apparatus for projecting a light beam through a transparent structure
CA2309951A1 Light bulb base
AU7723798A Telephone note taker
WO9624122A1 Indicator for medication dispensing
WO9522461A1 Determining and marking apparatus and method for use in optometry and ophthalmology
US5293532A Device and method for positioning and relaxing accommodation of the eye
US5335419A Determining and marking apparatus and method for use in optometry and ophthalmology
CA2113087A1 Device and method for positioning and relaxing accommodation of the eye
US5148602A Determining and marking apparatus and method for use in optometry and ophthalmology
US5046257A Determining and marking apparatus and method for use in optometry and ophthalmology
US5036592A Determining and marking apparatus and method for use in optometry and ophthalmology