Drilldown: Patents
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Patents > Year granted:
1913
& Applicant type:
COMPANY
& Applicant is inventor:
No
& National tech categories :
DE 77 or
FR 5 or
HU V/h or
USPC 244/80
& Cites these patents :
0 or
1 or
None
& Number of text pages:
2-10
Use the filters below to narrow your results.
Showing below up to 6 results in range #1 to #6.