Roy W. Downing — 5 Patents at Codman & Shurtleff

Roy W. Downing has been granted 5 US patents while listed as an inventor at Codman & Shurtleff. The first was granted in 1980 and the most recent in June 1984. Roy W. Downing ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Roy W. Downing in Saddleworth, MA, GB.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4456010	Cranial drill	Harry G. Reimels, Daniel Cerundolo	1984-06-26	$7,519,000
D271521	Pump handle for use with a biopsy specimen collector	James P. Ryan	1983-11-22
4362161	Cranial drill	Harry G. Reimels, Daniel Cerundolo	1982-12-07	$15,028,000
4254763	Surgical retractor assembly	James F. McCready, John R. Bookwalter, George W. Guay	1981-03-10	$5,690,000
4197001	Photographic processing apparatus with variable sized tanks lined with bag-like plastic tank interiors	John G. Long, Bernard P. E. Wolbarst	1980-04-08

Roy W. Downing — 5 Patents

Issued Patents All Time

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