Drilldown: Patents
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Patents > Year granted:
1910 - 1919 
& Applicant type :
1 or
INDIV
& Assigned to:
None
& CPCs:
CPC B64B1/00
& Applicant type :
1 or
INDIV
& Assigned to:
None
& CPCs:
CPC B64B1/00 Use the filters below to narrow your results.
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None (105) ·
FR 6.4 (84) ·
USPC 244/30 (17) ·
USPC 244/125 (10) ·
USPC 244/25 (9) ·
USPC 244/29 (7) ·
DE 77h.2 (5) ·
USPC 244/26 (4) ·
USPC 244/96 (4) ·
USPC 244/128 (4) ·
USPC 244/127 (3) ·
USPC 244/139 (3) ·
USPC 244/64 (3) ·
USPC 244/67 (3) ·
USPC 244/28 (3) ·
USPC 244/73R (3) ·
FR 6.2 (2) ·
USPC 244/97 (2) ·
USPC 244/146 (2)
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Showing below up to 250 results in range #1 to #250.
