DR. DAVID MARK LEACH, M.D.
Psychiatric at Ridgewood Ln, Upper Makefield, PA

License number
Pennsylvania MD039284E
Category
Psychiatric
Type
Psychiatry
Address
Address
1426 Ridgewood Ln, Upper Makefield, PA 18940
Phone
(215) 579-7976
National Provider ID: 1295996643
LicenseFiles verified this license of Nov 7, 2017 at the National Plan and Provider Enumeration System.

Personal information

See more information about DAVID MARK LEACH at radaris.com
Name
Address
Phone
David Leach, age 98
526 Main St, South Fork, PA 15956
(814) 495-4561
David Leach, age 72
527 Walnut St, Lemoyne, PA 17043
(717) 737-6644
David Leach, age 58
490 Belfry Dr, Blue Bell, PA 19422
(484) 322-0210

Professional information

David Leach Photo 1

Multi-Skill Level Puzzle

US Patent:
2003008, May 1, 2003
Filed:
Nov 1, 2001
Appl. No.:
10/004215
Inventors:
David Leach - Newtown PA, US
Madeline Leach - Newtown PA, US
International Classification:
A63F009/10
US Classification:
273/15700R
Abstract:
A puzzle that utilizes three mechanisms of puzzle construction for supporting user skill heterogeneity, demarcation into subdivisions and enhancement of excitement in assembling a puzzle. The three mechanisms involve the use of shaped protrusions/recesses, object pieces and puzzle frame pieces.

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