John Marvel — 2 Patents at Hercules

John Marvel — 2 Patents

OPOrtho-Mcneil Pharmaceutical: 1 patents #267 of 449Top 60%

HEHercules: 1 patents #551 of 725Top 80%

Newark, DE: #705 of 1,550 inventorsTop 50%

Delaware: #3,260 of 7,163 inventorsTop 50%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

John Marvel has been granted 2 US patents while listed as an inventor at Hercules. The first was granted in 1987 and the most recent in March 2003. John Marvel ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John Marvel in Newark, DE, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6531141	Oil-in-water emulsion containing tretinoin	—	2003-03-11
4663370	Fiberized joint/crack sealant composition	James P. Modrak	1987-05-05	$5,978,000

John Marvel — 2 Patents

Issued Patents All Time

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