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Inventor file

Lloyd D. Hetrick

This profile groups 5 patent entries associated with Lloyd D. Hetrick. It does not add biographical claims beyond the cataloged patent facts.

1924US1489057A
Consumer / Household
Magnetic Rapid Stamping Device
1924US1518727A
Consumer / Household
Combination Magnetic Stamp
1925US1522837A
Consumer / Household
Cleaning Device
1940US2185605A
Consumer / Household
Package Accessory
1940US2224632A
Consumer / Household
Container