JK

Joseph D. Krawczyk

MC Malzine Co.: 10 patents #2 of 89Top 3%
Overall (All Time): #425,554 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7422221 Transport cart system and method of its manufacture and operation 2008-09-09
7025548 Transport carts configured to be locked to the sidewalls of a transportation vehicle for distributing product Norman C. Strohfus, Robert W. Grace, David J. Glancy 2006-04-11
6899508 Transport cart system and method of its manufacture and operation 2005-05-31
6874981 Beverage transport cart system and method of its manufacture and operation Robert W. Grace, Norman C. Strohfus, David J. Glancy 2005-04-05
6520515 Transport cart system and method of its manufacture and operation 2003-02-18
6488304 Rapidly demountable multiple platform utility cart assembly and methods of making and operating it 2002-12-03
6299184 Transport cart system and method of its manufacture and operation 2001-10-09
6131927 Hand truck for transporting stacked trays 2000-10-17
6019381 Multiple use hand trucks fitted to carry laundry baskets 2000-02-01
5799959 Hand truck brake application system 1998-09-01
5632592 Extensor wing latch mechanism for a two-wheeled hand truck 1997-05-27
5518356 Extensor wing latch mechanism for a two-wheeled hand truck 1996-05-21