P
PatentIndex
Search
Landscape
Sign in
Inventor
HILLUKKA BRUCE A
US
2 patents
⚠️ This page may combine multiple inventors who share the name “HILLUKKA BRUCE A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KIEFFER MITCHELL I
1 patent
US8387753B2
Mar 5, 2013
Ergonomic extendable/retractable ladder
KIEFFER MITCHELL I
23 citations
89
CORE DISTRIB INC
1 patent
USD593685S
Jun 2, 2009
Telescoping ladder rung
CORE DISTRIB INC
5 citations
57