Machines not elsewhere specified – Material working – abrading – or founding machinery – Abrading
Patent
1978-04-10
1980-07-22
Kemper, Catherine E.
Machines not elsewhere specified
Material working, abrading, or founding machinery
Abrading
D1508
Patent
active
D02560194
REFERENCES:
patent: 3570388 (1971-03-01), Gottlieb
patent: 3665839 (1972-05-01), Gottlieb
patent: 4072091 (1978-02-01), Richardson
patent: 4120236 (1978-10-01), Blomberg
patent: 4152974 (1979-05-01), Tienor
Retail Home Furnishings, Dec. 19, 1977, "The Popcorn Pumper".
Boldt Melvin H.
Franek Wayne J.
Morrison Thurber H.
Gould John D.
Kemper Catherine E.
National Presto Industries, Inc.
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