Robert Howitt

CC Curtis Manufacturing Company: 13 patents #4 of 14Top 30%

FR Frem: 6 patents #1 of 1Top 100%

HM Hyde Manufacturing: 4 patents #2 of 20Top 10%

MK M. Kamenstein: 3 patents #13 of 23Top 60%

UN Unknown: 3 patents #7,366 of 83,584Top 9%

📍 Leominster, MA: #4 of 286 inventorsTop 2%

🗺 Massachusetts: #3,078 of 88,656 inventorsTop 4%

Overall (All Time): #126,100 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #	Title	Co-Inventors	Date
D291404	Tool handle	Donald P. Cummings	1987-08-18
D278563	Combined stackable and nestable bin	—	1985-04-23
4473155	Stacking and nesting bin	—	1984-09-25
D274488	Bed tray	—	1984-07-03
D271721	Storage bin	—	1983-12-06