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Inventor

Carl W. Tretinyak

Inventor
Rochester, MN, US

Overview

3→
Patents
1983–1986
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Bprimary
A61BDiagnosis75%
A61MDevices for introducing media into, or onto, the body25%
PatentTitleYear
4,630,616'Bone marrow needle'19864,403,617'Biopsy needle'19834,386,606'Syringe lock'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to WATERS INSTR INC (2)· patent assignee history
1983–1986Based in Rochester, MN, US· patent location history
1986Patents assigned to BERKLEY & CO INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WATERS INSTR INC21983
BERKLEY & CO INC11986
Locations
LocationPatentsSpan
Rochester, Minnesota, US31983–1986