Bruce E. Richards — 2 Patents at Carus

Bruce E. Richards has been granted 2 US patents while listed as an inventor at Carus. The first was granted in 1993 and the most recent in August 1994. Bruce E. Richards ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Bruce E. Richards in Streator, IL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5336431	Composition and method for sulfide control	Tyrone G. Goodart, Philip A. Vella, John R. Walton	1994-08-09
5200092	Composition and method for sulfide control	Tyrone G. Goodart, Philip A. Vella, John R. Walton	1993-04-06

Bruce E. Richards — 2 Patents

Issued Patents All Time

Patent Widget