IP Library › Granted Patent US 5,868,629
Granted Patent Utility
US 5,868,629 · App. 08/017,579

Ball lift device and method

Inventors: David Russell VanDuyn, Steven Wayne Stuart
Patented Case View Patent ↗
Granted: Feb 9, 1999 Filed: Feb 3, 1998
Inventors
David Russell VanDuyn
Steven Wayne Stuart
Assignee (at issue)
AMF Bowling, Inc.

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Quick Facts
Patent No.
US 5,868,629
App. No.
08/017,579
Filed
1998-02-03
Granted
1999-02-09
Kind
A