Assignee
WEISS RICHARD
4 granted patents·30 citations·filing 1975–2013
Top patents by PatentIndex Score
4 records- 0159US4388021AMethod of and device for making canalization by advancing under pressure a string of sewer pipesWEISS RICHARD·Filed 1981·Granted Jun 14, 1983·22 cites·1 claims
- 0238USD740542SUmbrellaWEISS RICHARD·Filed 2013·Granted Oct 13, 2015·3 cites·1 claims
- 0330US3986568AApparatus for making underground passagesWEISS RICHARD·Filed 1975·Granted Oct 19, 1976·4 cites·10 claims
- 0429US4106297AMethod of and an arrangement for establishing an underground passageWEISS RICHARD·Filed 1976·Granted Aug 15, 1978·1 cites·7 claims
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