The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 10, 2012
Filed:
Jun. 29, 2006
Applicants:
Douglas M Johnson, Dorr, MI (US);
Robert L Middleton, Sr., Middleville, MI (US);
Robert L Middleton, Jr., Middleville, MI (US);
Robert E. Leedy, Hastings, MI (US);
John A. Nobel, Shelbyville, MI (US);
Inventors:
Douglas M Johnson, Dorr, MI (US);
Robert L Middleton, Sr., Middleville, MI (US);
Robert L Middleton, Jr., Middleville, MI (US);
Robert E. Leedy, Hastings, MI (US);
John A. Nobel, Shelbyville, MI (US);
Assignee:
Middleville Tool & Die Co, Inc, Middleville, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 39/03 (2006.01); B23P 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A unique tubular work piece is disclosed along with a novel method and apparatus for manufacturing tubular work pieces from sheet metal stock lighter and stronger structures with less waste and less cost than prior methods.