Inventor · disambiguated record
Ronald D. Vance
Also filed as: VANCE RONALD D · VANCE RONALD DUANE
6 granted patents·304 citations·filing 1980–2000
87Inventor score
Top patents by PatentIndex Score
6 records- 0186US6381781B1Combination ambulance cot and chairFERNO WASHINGTON·Filed 2000·Granted May 7, 2002·70 cites·9 claims
- 0282US4369985AOne man cart for articlesWEIL BURT·Filed 1980·Granted Jan 25, 1983·48 cites·8 claims
- 0379US5432966AAdjustable ambulance cot with trolley mechanismFERNO WASHINGTON·Filed 1993·Granted Jul 18, 1995·85 cites·20 claims
- 0472US6681424B1Tilt-top mortuary cotFERNO WASHINGTON·Filed 2000·Granted Jan 27, 2004·32 cites·26 claims
- 0564US5839136ACot mountable arm rest and cot incorporating sameFERNO WASHINGTON·Filed 1997·Granted Nov 24, 1998·46 cites·25 claims
- 0645US4688279ACombination stretcher and stairchairFERNO WASHINGTON·Filed 1986·Granted Aug 25, 1987·23 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →