Pneumoneedle

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Description

FIG. 1 is a perspective view of a pneumoneedle showing our new design;

FIG. 2 is a bottom view thereof, the top view being a mirror image thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is an enlarged rear end view thereof; and,

FIG. 6 is an enlarged front view thereof.

Referenced Cited
U.S. Patent Documents
D338955 August 31, 1993 Gresl et al.
4193400 March 18, 1980 Loveless et al.
4254762 March 10, 1981 Yoon
4535773 August 20, 1985 Yoon
4654030 March 31, 1987 Moll et al.
4808168 February 28, 1989 Warring
4869717 September 26, 1989 Adair
4874375 October 17, 1989 Ellison
4931042 June 5, 1990 Holmes et al.
5057085 October 15, 1991 Kopans
5098388 March 24, 1992 Kulkashi et al.
5104381 April 14, 1992 Gresl et al.
5137509 August 11, 1992 Freitas
5139485 August 18, 1992 Smith et al.
5152754 October 6, 1992 Plyley et al.
5226426 July 13, 1993 Yoon
5250035 October 5, 1993 Smith et al.
5258003 November 2, 1993 Ciaglia et al.
Patent History
Patent number: D353668
Type: Grant
Filed: May 24, 1993
Date of Patent: Dec 20, 1994
Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN)
Inventors: Thomas F. Banks (Santa Barbara, CA), William A. Mittelstadt (Woodbury, MN), Arthur V. Lang (Maplewood, MN), Vern E. Radewald (Maplewood, MN), Bruce E. Nelson (Minneapolis, MN)
Primary Examiner: A. Hugo Word
Assistant Examiner: I. Simmons
Attorneys: Gary L. Griswold, Walter N. Kirn, Jeffrey J. Hohenshell
Application Number: 0/8,693