Inventor
CUMMINGS DAVID C
US13 patents
⚠️ This page may combine multiple inventors who share the name “CUMMINGS DAVID C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROCKLAND INC
5 patentsUS6120237ASep 19, 2000
Attachment for groundworking and material handling machines and a strut assembly therefor
ROCKLAND INC34 citations92
US7568421B2Aug 4, 2009
Cartridge feeding attachment for firearms
ROCKLAND INC20 citations83
US6354790B1Mar 12, 2002
Attachment for earth-moving machines
ROCKLAND INC14 citations83
US6857843B2Feb 22, 2005
Grappling assembly for excavating machines
ROCKLAND INC5 citations62
US6269561B1Aug 7, 2001
Tiltable implement for excavator machines and the like
ROCKLAND INC4 citations61