Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
Patents for Charles B. Houghton | |||||
Number | Date | Patentee | Title | Type | |
495,239 | Apr. 11, 1893 | J.R. Bate, S.H. Shadbolt, G.R. Houghton, C.B. Houghton | Machine for cutting excelsior | excelsior machines |