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MARGARET L LOCKHART
MARGARET L
Active Patents
0
Total Holdings
2
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US2410351A
Hypodermic syringe
Expired / Lapsed
1944-02-10
1946-10-29
0
Details
US2408323A
Hypodermic syringe
Expired / Lapsed
1943-06-10
1946-09-24
0
Details