P

Inventor

BALLARD JAMES W

6 patents
⚠️ This page may combine multiple inventors who share the name “BALLARD JAMES W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BALLARD JAMES W

3 patents
US4370876AFeb 1, 1983

Methods of constructing a one-piece roof vent device

BALLARD JAMES W5 citations58
US4214513AJul 29, 1980

One-piece roof vent device and methods of constructing and utilizing same

BALLARD JAMES W3 citations58
USD254804SApr 22, 1980

Roof vent

BALLARD JAMES W5 citations58

JIMCO PRODUCTS

2 patents
US4538508ASep 3, 1985

Roof ventilator having fluid flow control and method of making same

JIMCO PRODUCTS53 citations89
US4593504AJun 10, 1986

Pressure equalizing roof vent

JIMCO PRODUCTS60 citations88

BONNICI CHARLES

1 patent
US4512243AApr 23, 1985

Ventilator having insert for controlling moisture and method of making same

BONNICI CHARLES23 citations75