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OSTROVSKY HARRY

Overview
  • Total Patents
    21
About

OSTROVSKY HARRY has a total of 21 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United Kingdom, Canada and Switzerland. Its main competitors in its focus markets medical technology, machine tools and furniture and games are ABOODY MORRIS, WU DONG-HE and Wuhu tianren intelligent machinery co ltd.

Patent filings in countries

World map showing OSTROVSKY HARRYs patent filings in countries
# Country Total Patents
#1 United Kingdom 8
#2 Canada 4
#3 Switzerland 4
#4 United States 3
#5 Austria 2

Patent filings per year

Chart showing OSTROVSKY HARRYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ostrovsky Harry 20
#2 Harry Ostrovsky 1

Latest patents

Publication Filing date Title
CA189402A Safety razor
US1280824A Safety-razor.
GB113000A Improvements in Safety Razors.
US1250636A Apparatus for use by musicians for promoting the flexibility of the joints and stretching the muscles and ligaments of the hands.
CA176124A Hand exercisng device
GB191511027A An Improved Apparatus for use by Musicians for Promoting the Flexibility of the Joints and Stretching the Muscles and Ligaments of the Hands.
US1136481A Exercising apparatus for use by musicians for developing the muscles of the hand.
GB191327548A An Exercising Apparatus for use by Musicians for Developing the Muscles of the Hand.
GB191321370A Improvements in Apparatus for use by Musicians for Promoting the Flexibility of the Joints and Stretching the Muscles and Ligaments of the Hands.
CA145927A Hand exercising device
GB191106645A An Apparatus for use by Musicians for Promoting the Flexibility of the Joints and Stretching the Muscles and Ligaments of the Hands.
GB190803873A Improvements in Foot-stools for use by Players of Pianofortes and like Instruments.
GB190802884A An Apparatus for use by Musicians for Promoting the Lateral Movements of the Fingers.
GB190802241A An Exercising Apparatus for use by Violinists.
CA256096A Bow for musical instruments