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Downing; Roy W. Patent Filings

Downing; Roy W.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Downing; Roy W..The latest application filed is for "cranial drill".

Company Profile
0.4.0
  • Downing; Roy W. - Hingham MA
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Cranial drill
Grant 4,456,010 - Reimels , et al. June 26, 1
1984-06-26
Pump handle for use with a biopsy specimen collector
Grant D271,521 - Ryan , et al. November 22, 1
1983-11-22
Cranial drill
Grant 4,362,161 - Reimels , et al. December 7, 1
1982-12-07
Surgical retractor assembly
Grant 4,254,763 - McCready , et al. March 10, 1
1981-03-10

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