Assignee
STONE ROBERT M
US·4 granted patents·85 citations·filing 1991–2017
Top patents by PatentIndex Score
4 records- 0196US5299906ASelf-adjusting pneumatic load elevatorSTONE ROBERT M·Filed 1991·Granted Apr 5, 1994·80 cites·29 claims
- 0269US11373491B2Emergency communicating flashing light security systemSTONE ROBERT M·Filed 2017·Granted Jun 28, 2022·1 cites·17 claims
- 0362US9963333B2Pallet-truck-compatible floor-mounted load elevatorSTONE ROBERT M·Filed 2014·Granted May 8, 2018·2 cites·13 claims
- 0461US8851237B2Variable-capacity self-adjusting pneumatic load elevatorSTONE ROBERT M·Filed 2010·Granted Oct 7, 2014·2 cites·13 claims
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