Robert P. Grasso — 7 Patents at Hercules

Robert P. Grasso has been granted 7 US patents while listed as an inventor at Hercules. The first was granted in 1993 and the most recent in February 1998. Robert P. Grasso ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Robert P. Grasso in Middletown, DE, US.

Patents per Year

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5714304	Nonlinear optical media of organosilicon crosslinked polymer	Wayne M. Gibbons, Michael K. O'Brien, Paul J. Shannon, Shao-Tang Sun	1998-02-03	$11,840,000
5663308	Organosilicon polymers, and dyes, exhibiting nonlinear optical response	Wayne M. Gibbons, Michael K. O'Brien, Paul J. Shannon, Shao-Tang Sun	1997-09-02	$29,289,000
5605726	Organosilicon polymers, and dyes, exhibiting nonlinear optical response	Wayne M. Gibbons, Michael K. O'Brien, Paul J. Shannon, Shao-Tang Sun	1997-02-25	$29,041,000
5589100	Dichroic azo dyes	Michael K. O'Brien, Paul J. Shannon	1996-12-31	$13,034,000
5326865	Arylazo and poly(arylazo) dyes having at least one core radical selected from naphthyl or anthracyl and having at least one 2,3-dihydro-1,3-dialkyl perimidine substituent	Michael K. O'Brien, Paul J. Shannon	1994-07-05	$17,012,000
5298588	Organosilicon polymers, and dyes, exhibiting nonlinear optical response	Wayne M. Gibbons, Michael K. O'Brien, Paul J. Shannon, Shao-Tang Sun	1994-03-29	$4,761,000
5254655	Organosilicon polymers, and dyes, exhibiting nonlinear optical response	Wayne M. Gibbons, Michael K. O'Brien, Paul J. Shannon, Shao-Tang Sun	1993-10-19	$8,023,000

Robert P. Grasso — 7 Patents

Patents per Year

Issued Patents All Time

Patent Widget