Individual holder
VOLLWEILER ARTHUR R
US·3 granted patents·161 citations·filing 1986–1991
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0183US5150622AVapor probe for soil gas vapor samplerVOLLWEILER ARTHUR R·Filed 1991·Granted Sep 29, 1992·69 cites·5 claims
- 0279US4653336ACombination soil auger and soil core sampler with sample retaining capacityVOLLWEILER ARTHUR R·Filed 1986·Granted Mar 31, 1987·62 cites·5 claims
- 0370US4949582ALiquid samplerVOLLWEILER ARTHUR R·Filed 1989·Granted Aug 21, 1990·30 cites·12 claims
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