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Robert S. Grawi

New York, NY: #5,981 of 20,192 inventorsTop 30%

New York: #38,318 of 115,490 inventorsTop 35%

Overall (All Time): #1,674,681 of 4,157,543Top 45%

3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4646876	Walking ladder	—	1987-03-03
4637290	Variable pitch harp	—	1987-01-20
4481856	Stringed instrument for attachment to an electronic transducer	—	1984-11-13