Search

Everything at once

The patents and their transcriptions, four forums, the bench notes and the glossary — one index, ranked together, so a claim in a patent and the thread arguing about it come back side by side.

Find Search

1 result for “page 2 of 7” · 2679ms

Patent

US1876879 Charge-forming apparatus for internal combustion engines

Cited prior art · Drabold Walter · United States · 1932

Page 1 Drawing sheet — no readable text. Page 2 Patented Sept. 13, 1932 1876,879 UNITEDwALTER,STATES PATENT OFFICE DBABOLD, OF DETROIT, MICHIGAN