Combined portable and retractable tunnel

Details Combined portable and retractable tunnel Combined portable and retractable tunnel

1994-10-21

1996-01-23

Clark, Doris

Building units and construction elements

Structure

Having curved or vaulted roof

Patent

active

D03665305

REFERENCES:
patent: D304240 (1989-10-01), Wright
patent: 3198200 (1965-08-01), Sanders
patent: 3750353 (1973-08-01), Smith, Jr.
patent: 4229914 (1980-10-01), Lucas
patent: 4712339 (1987-12-01), Wenham et al.
patent: 4715077 (1987-12-01), Shepheard
patent: 4815736 (1989-03-01), Wright
patent: 4817223 (1989-04-01), Koch

Affiliated with

Also associated with

Rating

Combined portable and retractable tunnel does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1497828