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Grease gun with special multi functional plunger
US 2,941,854 A
Filed
: 10/30/1958
Issued
: 06/21/1960
Est. Priority Date
: 10/30/1958
Status: Expired due to Term
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Current Assignee
Alvin A. Jernander
Original Assignee
Alvin A. Jernander
Inventors
Jernander, Alvin A.
Application Number
US03/770,781
Time in Patent Office
600 Days
Field of Search
US Class Current
92/130.00R
CPC Class Codes
F16N 3/12
Grease guns
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