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Inventor

Donald W. Ruehmann

Inventor
Fort Collins, CO, US

Overview

3→
Patents
1976–1980
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.

A61Cprimary
A61CDentistry17%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body17%
A61MDevices for introducing media into, or onto, the body17%
B05BSpraying apparatus17%
F04BPositive-displacement machines for liquids17%
H01HElectric switches17%
PatentTitleYear
4,229,634'Insulated switch arrangement for electric motor'19804,108,167'Dental syringe'19783,958,756'Spray nozzles'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to TELEDYNE WATER PIK (1)· patent assignee history
1976–1980Based in Fort Collins, CO, US· patent location history
1978–1980Patents assigned to TELEDYNE IND (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TELEDYNE IND21978–1980
TELEDYNE WATER PIK11976
Locations
LocationPatentsSpan
Fort Collins, CO, US31976–1980