Andre De Rego — 4 Patents at Schlumberger Industires, S.A.

Andre De Rego has been granted 4 US patents while listed as an inventor at Schlumberger Industires, S.A.. The first was granted in 1988 and the most recent in November 1991. Andre De Rego ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Andre De Rego in Antony, FR.

Patents per Year

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5068074	Method for making synthetic membranes for a gas meter	—	1991-11-26	$88,923,000
4935084	Method of making a gas meter having a synthetic membrane	—	1990-06-19	$73,470,000
4891979	Gas meter having a synthetic diaphragm and molded housing	—	1990-01-09	$19,391,000
4779459	Gas meter including a synthetic membrane	—	1988-10-25