IP Library › Granted Patent US 6,039,147
Granted Patent Utility
US 6,039,147 · App. 08/115,881

Mobile ladder stand

Inventors: Donald G. Gillis, Daniel Johnson
Patented Case View Patent ↗
Granted: Mar 21, 2000 Filed: Sep 1, 1993
Inventors
Donald G. Gillis
Daniel Johnson
Assignee (at issue)
TNT Steel Industries, Inc.

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Quick Facts
Patent No.
US 6,039,147
App. No.
08/115,881
Filed
1993-09-01
Granted
2000-03-21
Kind
A