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HARTFORD NATIONAL BANK & TRUST CO. v. E. F. DREW & CO.

Civ. A. No. 1470.

133 F.Supp. 648 (1955)

HARTFORD NATIONAL BANK AND TRUST COMPANY, Trustee, and Philips Laboratories, Inc., Plaintiffs, v. E. F. DREW & CO., Inc., Defendant.

United States District Court D. Delaware.

July 1, 1955.

Attorney(s) appearing for the Case

Arthur G. Connolly, Thomas Cooch and Thomas S. Lodge, Wilmington, Del., Connolly, Cooch & Bove, Wilmington, Del., for plaintiffs.

Aaron Finger and William A. Worth, Jr., Wilmington, Del., Richards, Layton & Finger, Wilmington, Del., and H. C. Bierman, New York City, for defendant.

LEAHY, Chief Judge.

Plaintiff sues for infringement of patent No. 2,441,091 relating to an improved process for producing provitamin D31. Claims 12 and 24 are in issue. Defenses are prior art and lack of identity of defendant's process. Plaintiff claims the two published prior art articles relied on by defendant do not disclose the inventive steps of the patent; and defendant's only witness departed from the teachings...

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