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Patents for H. Otto Clausen | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 996,953 | Jul. 04, 1911 | V.J. Wahlstrom | Chuck | |
![]() | 996,954 | Jul. 04, 1911 | V.J. Wahlstrom | Chuck | |
![]() | 996,955 | Jul. 04, 1911 | V.J. Wahlstrom | Chuck |