Quadra Wheelchairs, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A61G TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS 135

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE32242 Wheelchair constructionSep 24, 84Sep 09, 86[A61G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4572576 Wheelchair with swingable foot support assembliesExpiredAug 20, 84Feb 25, 86[A47C]
4570756 Brake device for wheelchairsExpiredSep 30, 83Feb 18, 86[B60T]
4515383 Wheelchair constructionExpiredMay 24, 84May 07, 85[A61G]
D277949 Foldable wheelchairExpiredMay 14, 82Mar 12, 85[]
4477098 Wheelchair constructionExpiredMay 14, 82Oct 16, 84[A61G]
4428594 Wheel assemblies for use with wheelchairsExpiredMay 24, 82Jan 31, 84[A61G]
D271679 WheelchairExpiredMar 24, 81Dec 06, 83[D121]
D269172 WheelchairExpiredSep 08, 80May 31, 83[D121]
4351540 Wheelchair constructionExpiredNov 13, 80Sep 28, 82[A61G]

Top Inventors for This Owner

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