Roof ventilator

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

D2304

Patent

active

D02694565

REFERENCES:
patent: D204518 (1966-04-01), Jenn
patent: D217721 (1970-06-01), Guerney
patent: D242462 (1976-11-01), Shames et al.
patent: 2824507 (1958-02-01), Alldritt et al.
patent: 3238862 (1966-03-01), Smith et al.
patent: 3302551 (1967-02-01), Van Belle et al.
patent: 3469519 (1969-09-01), Painter
patent: 3472150 (1969-10-01), Strawsine
patent: 3785271 (1974-01-01), Joy
patent: 4201122 (1980-05-01), Maciag
Hardware Age, Apr. 1974, p. 121, "Roof Ventilator Model" item.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Roof ventilator does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Roof ventilator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Roof ventilator will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2105261

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.