Inventor
ALBRECHT LEONARD N
US18 patents
⚠️ This page may combine multiple inventors who share the name “ALBRECHT LEONARD N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEEP ROOT PARTNERS LP
4 patentsUS5442891AAug 22, 1995
Root-control barrier combination, and method of controlling roots by barriers having either single-elongate or closed-loop configurations
DEEP ROOT PARTNERS LP13 citations72
US5371967ADec 13, 1994
Root-control planter that is integral, lightweight, thin-walled, and compactly stackable, and that has ground locks
DEEP ROOT PARTNERS LP17 citations72
US5528857AJun 25, 1996
Integral root barrier panel and combination
DEEP ROOT PARTNERS LP16 citations63
US5305549AApr 26, 1994
Method and apparatus for deflecting tree roots, and combination of the apparatus with tree and static structure
DEEP ROOT PARTNERS LP6 citations61