Brian A Jeffers, Age 636988 Center St, Hartville, OH 44632

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6988 Center St, Hartville, OH 44632 (330) 412-1050

Elgin, IL

2628 Sundale St, Massillon, OH 44646

4623 7Th St NW, Canton, OH 44708

Des Moines, IA

6988 Center St NE, Hartville, OH 44632

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Sleep Technician

Industry:
Mechanical Or Industrial Engineering
Work:
Ctg
Sleep Technician
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Brian Jeffers

Publications & IP owners

Us Patents

Tree Injection Device

US Patent:
2005026, Dec 1, 2005
Filed:
May 4, 2005
Appl. No.:
11/121608
Inventors:
Roger Funk - Streetsboro OH, US
Brian Jeffers - Kent OH, US
Gregory Mazur - Ravenna OH, US
International Classification:
A01G029/00
US Classification:
047057500
Abstract:
A tree injection device including a piston slidably received within a cylinder to define a piston chamber and a rack chamber within the cylinder, a reservoir in fluid communication with the piston chamber, wherein a first check valve allows fluid to pass from the reservoir to the piston chamber while substantially preventing fluid from passing from the piston chamber to the reservoir, an injector in fluid communication with the piston chamber, the injector being adapted for insertion into a tree, wherein a second check valve allows fluid to pass from the piston chamber to the injector, while substantially preventing fluid from passing from the injector to the piston chamber and a motor operatively connected to the piston to advance the piston through the cylinder.

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