Drum pump

Details Drum pump Drum pump

1978-12-13

1980-09-16

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2301

Patent

active

D02569450

REFERENCES:
patent: D10000 (1877-04-01), Heinigku
patent: D115814 (1939-07-01), Deters
patent: 1338739 (1920-05-01), Lano
patent: 1466804 (1923-09-01), Orr
patent: 1517805 (1924-12-01), Spaeth
patent: 1610637 (1926-12-01), Wertz
patent: 2344005 (1944-03-01), Sundholm
patent: 3473479 (1969-10-01), Sundholm
patent: 4114782 (1978-09-01), Berry
Willis Pumps Ltd., brochure on Barrel Pump K-4.

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