Halbert C. White — 2 Patents

EAE.I. Du Pont De Nemours And: 2 patents #5,447 of 12,129Top 45%

Clayton, CA: #59 of 130 inventorsTop 50%

California: #187,151 of 386,348 inventorsTop 50%

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

Halbert C. White has been granted 2 US patents. The first was granted in 1980 and the most recent in March 1982. Halbert C. White ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Halbert C. White in Clayton, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4322356	Method of preparing substituted phthalides	Thomas J. Giacobbe	1982-03-30	$2,907,000
4188330	Substituted phthalide derivatives	Thomas J. Giacobbe	1980-02-12	$7,926,000

Halbert C. White — 2 Patents

Issued Patents All Time

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