Assignee
SCHROTER FRIEDRICH
4 granted patents·66 citations·filing 1974–1975
Top patents by PatentIndex Score
4 records- 0169US3949653AApparatus for breaking out scrap pieces from die-cut or punched sheetsSCHROTER FRIEDRICH·Filed 1974·Granted Apr 13, 1976·22 cites·4 claims
- 0268US3956974ADevice for breaking out scrap pieces from a punched sheetSCHROTER FRIEDRICH·Filed 1974·Granted May 18, 1976·21 cites·4 claims
- 0354US4050362AProcess and apparatus for blanking cardboard and the likeSCHROTER FRIEDRICH·Filed 1974·Granted Sep 27, 1977·13 cites·3 claims
- 0447US3998119AProcess and apparatus for punching sheets or webs of paper, cardboard or similar materialSCHROTER FRIEDRICH·Filed 1975·Granted Dec 21, 1976·10 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →