Robert G. Guess — 7 Patents at Romar Technologies

Robert G. Guess has been granted 7 US patents while listed as an inventor at Romar Technologies. The first was granted in 1992 and the most recent in November 1999. Robert G. Guess ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Robert G. Guess in Beverly, MA, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date
5976383	Recycle process for removing dissolved heavy metals from water with aluminum particles	Stephen E. Lavalley	1999-11-02
5545331	Recycle process for removing dissolved heavy metals from water with iron particles	—	1996-08-13
5462670	Process for removing oils and greases from aqueous solution	—	1995-10-31
5389262	Process for removing heavy metals from solutions with ferrous dithionite and hydroxide	—	1995-02-14
5298168	Ferrous dithionite process and composition for removing dissolved heavy metals from water	—	1994-03-29
5122279	Ferrous dithionite process and compositions for removing dissolved heavy metals from water	—	1992-06-16
5092967	Process for forming printed circuits	—	1992-03-03

Robert G. Guess — 7 Patents

Issued Patents All Time

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