Renfro, Julian C.
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Apr 19, 2005 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 140 Total Citation Count
- Dec 14, 1981 Earliest Filing
- 4 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6881155 Dynamic golf swing trainer assuring proper wrist and club face positionsExpiredDec 01, 03Apr 19, 05[A63B]
6800036 Golf swing position trainer teaching a golfer to swing a golf club correctlyExpiredApr 07, 03Oct 05, 04[A63B]
4560033 Multifunction wheelchair handbrake especially adapted for ramp climbingExpiredDec 14, 81Dec 24, 85[B60T]
4437424 Partially restrained arrangement for the mast and sail of a craft possessing inherent stabilityExpiredJun 24, 83Mar 20, 84[B63B]
Top Inventors for This Owner
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